196442490 has 64 divisors (see below), whose sum is σ = 485502336. Its totient is φ = 50840832.

The previous prime is 196442483. The next prime is 196442503. The reversal of 196442490 is 94244691.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253744 + ... + 254516.

It is an arithmetic number, because the mean of its divisors is an integer number (7585974).

Almost surely, 2^196442490 is an apocalyptic number.

196442490 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 196442490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242751168).

196442490 is an abundant number, since it is smaller than the sum of its proper divisors (289059846).

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

196442490 is a wasteful number, since it uses less digits than its factorization.

196442490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 196442490 is about 14015.7943049975. The cubic root of 196442490 is about 581.3153756967.

The spelling of 196442490 in words is "one hundred ninety-six million, four hundred forty-two thousand, four hundred ninety".