402889196 has 12 divisors (see below), whose sum is σ = 707659680. Its totient is φ = 200700720.

The previous prime is 402889187. The next prime is 402889241. The reversal of 402889196 is 691988204.

It is a self number, because there is not a number n which added to its sum of digits gives 402889196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184751 + ... + 186918.

It is an arithmetic number, because the mean of its divisors is an integer number (58971640).

Almost surely, 2^402889196 is an apocalyptic number.

It is an amenable number.

402889196 is a deficient number, since it is larger than the sum of its proper divisors (304770484).

402889196 is a wasteful number, since it uses less digits than its factorization.

402889196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371944 (or 371942 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 402889196 is about 20072.0999399664. The cubic root of 402889196 is about 738.5760271465.

The spelling of 402889196 in words is "four hundred two million, eight hundred eighty-nine thousand, one hundred ninety-six".