402887976 has 64 divisors (see below), whose sum is σ = 1044429120. Its totient is φ = 129415680.

The previous prime is 402887939. The next prime is 402887977. The reversal of 402887976 is 679788204.

It is not an unprimeable number, because it can be changed into a prime (402887977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79206 + ... + 84138.

It is an arithmetic number, because the mean of its divisors is an integer number (16319205).

Almost surely, 2^402887976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402887976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522214560).

402887976 is an abundant number, since it is smaller than the sum of its proper divisors (641541144).

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

402887976 is a wasteful number, since it uses less digits than its factorization.

402887976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 402887976 is about 20072.0695495009. The cubic root of 402887976 is about 738.5752816449.

The spelling of 402887976 in words is "four hundred two million, eight hundred eighty-seven thousand, nine hundred seventy-six".