402102304 has 24 divisors (see below), whose sum is σ = 792102780. Its totient is φ = 200933376.

The previous prime is 402102299. The next prime is 402102319. The reversal of 402102304 is 403201204.

It can be written as a sum of positive squares in 2 ways, for example, as 402082704 + 19600 = 20052^2 + 140^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 83712 + ... + 88384.

Almost surely, 2^402102304 is an apocalyptic number.

It is an amenable number.

402102304 is a deficient number, since it is larger than the sum of its proper divisors (390000476).

402102304 is a wasteful number, since it uses less digits than its factorization.

402102304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372 (or 7364 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402102304 is about 20052.4887233480. The cubic root of 402102304 is about 738.0948705774.

Adding to 402102304 its reverse (403201204), we get a palindrome (805303508).

The spelling of 402102304 in words is "four hundred two million, one hundred two thousand, three hundred four".