402471376 has 20 divisors (see below), whose sum is σ = 820830400. Its totient is φ = 190644192.

The previous prime is 402471353. The next prime is 402471389. The reversal of 402471376 is 673174204.

It is a congruent number.

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, 661656 + ... + 662263.

It is an arithmetic number, because the mean of its divisors is an integer number (41041520).

Almost surely, 2^402471376 is an apocalyptic number.

It is an amenable number.

402471376 is an abundant number, since it is smaller than the sum of its proper divisors (418359024).

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

402471376 is a wasteful number, since it uses less digits than its factorization.

402471376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323946 (or 1323940 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 402471376 is about 20061.6892608773. The cubic root of 402471376 is about 738.3206231163.

The spelling of 402471376 in words is "four hundred two million, four hundred seventy-one thousand, three hundred seventy-six".