196464450 has 192 divisors, whose sum is σ = 617460480. Its totient is φ = 40227840.

The previous prime is 196464449. The next prime is 196464451. The reversal of 196464450 is 54464691.

It is an interprime number because it is at equal distance from previous prime (196464449) and next prime (196464451).

It is a super-2 number, since 2×196464450² = 77196560227605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 196464399 and 196464408.

It is not an unprimeable number, because it can be changed into a prime (196464451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 504856 + ... + 505244.

It is an arithmetic number, because the mean of its divisors is an integer number (3215940).

Almost surely, 2^196464450 is an apocalyptic number.

196464450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 196464450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308730240).

196464450 is an abundant number, since it is smaller than the sum of its proper divisors (420996030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196464450 is a wasteful number, since it uses less digits than its factorization.

196464450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 196464450 is about 14016.5776850128. The cubic root of 196464450 is about 581.3370363364.

The spelling of 196464450 in words is "one hundred ninety-six million, four hundred sixty-four thousand, four hundred fifty".