196693904 has 20 divisors (see below), whose sum is σ = 415739760. Its totient is φ = 89406240.

The previous prime is 196693883. The next prime is 196693969. The reversal of 196693904 is 409396691.

It is a super-2 number, since 2×196693904² = 77376983741522432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558614 + ... + 558965.

It is an arithmetic number, because the mean of its divisors is an integer number (20786988).

Almost surely, 2^196693904 is an apocalyptic number.

It is an amenable number.

196693904 is an abundant number, since it is smaller than the sum of its proper divisors (219045856).

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

196693904 is a wasteful number, since it uses less digits than its factorization.

196693904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117598 (or 1117592 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 196693904 is about 14024.7603901101. The cubic root of 196693904 is about 581.5632659206.

The spelling of 196693904 in words is "one hundred ninety-six million, six hundred ninety-three thousand, nine hundred four".