402973352 has 8 divisors (see below), whose sum is σ = 755575050. Its totient is φ = 201486672.

The previous prime is 402973349. The next prime is 402973367. The reversal of 402973352 is 253379204.

It can be written as a sum of positive squares in only one way, i.e., 353214436 + 49758916 = 18794^2 + 7054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25185827 + ... + 25185842.

Almost surely, 2^402973352 is an apocalyptic number.

It is an amenable number.

402973352 is a deficient number, since it is larger than the sum of its proper divisors (352601698).

402973352 is a wasteful number, since it uses less digits than its factorization.

402973352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50371675 (or 50371671 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 402973352 is about 20074.1961731971. The cubic root of 402973352 is about 738.6274484616.

The spelling of 402973352 in words is "four hundred two million, nine hundred seventy-three thousand, three hundred fifty-two".