402857204 has 12 divisors (see below), whose sum is σ = 711239844. Its totient is φ = 199645824.

The previous prime is 402857201. The next prime is 402857207. The reversal of 402857204 is 402758204.

It is an interprime number because it is at equal distance from previous prime (402857201) and next prime (402857207).

It can be written as a sum of positive squares in 2 ways, for example, as 58828900 + 344028304 = 7670^2 + 18548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402857201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445187 + ... + 446090.

It is an arithmetic number, because the mean of its divisors is an integer number (59269987).

Almost surely, 2^402857204 is an apocalyptic number.

It is an amenable number.

402857204 is a deficient number, since it is larger than the sum of its proper divisors (308382640).

402857204 is a wasteful number, since it uses less digits than its factorization.

402857204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891394 (or 891392 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 402857204 is about 20071.3029970652. The cubic root of 402857204 is about 738.5564773961.

The spelling of 402857204 in words is "four hundred two million, eight hundred fifty-seven thousand, two hundred four".