196400886 has 16 divisors (see below), whose sum is σ = 428511168. Its totient is φ = 59515400.

The previous prime is 196400843. The next prime is 196400957. The reversal of 196400886 is 688004691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1487820 + ... + 1487951.

It is an arithmetic number, because the mean of its divisors is an integer number (26781948).

Almost surely, 2^196400886 is an apocalyptic number.

196400886 is an abundant number, since it is smaller than the sum of its proper divisors (232110282).

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

196400886 is a wasteful number, since it uses less digits than its factorization.

196400886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975787.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 196400886 is about 14014.3100436661. The cubic root of 196400886 is about 581.2743344188.

The spelling of 196400886 in words is "one hundred ninety-six million, four hundred thousand, eight hundred eighty-six".