402884996 has 12 divisors (see below), whose sum is σ = 706048140. Its totient is φ = 201156960.

The previous prime is 402884953. The next prime is 402885001. The reversal of 402884996 is 699488204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 175297600 + 227587396 = 13240^2 + 15086^2 .

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, 68195 + ... + 73866.

It is an arithmetic number, because the mean of its divisors is an integer number (58837345).

Almost surely, 2^402884996 is an apocalyptic number.

It is an amenable number.

402884996 is a deficient number, since it is larger than the sum of its proper divisors (303163144).

402884996 is a wasteful number, since it uses less digits than its factorization.

402884996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142774 (or 142772 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 402884996 is about 20071.9953168588. The cubic root of 402884996 is about 738.5734606592.

The spelling of 402884996 in words is "four hundred two million, eight hundred eighty-four thousand, nine hundred ninety-six".