198893464 has 64 divisors (see below), whose sum is σ = 471421440. Its totient is φ = 76412160.

The previous prime is 198893441. The next prime is 198893467. The reversal of 198893464 is 464398891.

It is a happy number.

It is a super-2 number, since 2×198893464² = 79117220043838592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198893467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42757 + ... + 47179.

It is an arithmetic number, because the mean of its divisors is an integer number (7365960).

Almost surely, 2^198893464 is an apocalyptic number.

198893464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198893464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235710720).

198893464 is an abundant number, since it is smaller than the sum of its proper divisors (272527976).

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

198893464 is a wasteful number, since it uses less digits than its factorization.

198893464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520 (or 4516 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 198893464 is about 14102.9594057418. The cubic root of 198893464 is about 583.7230421915.

The spelling of 198893464 in words is "one hundred ninety-eight million, eight hundred ninety-three thousand, four hundred sixty-four".