402604313 has 8 divisors (see below), whose sum is σ = 412780896. Its totient is φ = 392464800.

The previous prime is 402604291. The next prime is 402604327. The reversal of 402604313 is 313406204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402604313 - 2⁸ = 402604057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402604373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13418 + ... + 31388.

It is an arithmetic number, because the mean of its divisors is an integer number (51597612).

Almost surely, 2^402604313 is an apocalyptic number.

402604313 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

402604313 is a deficient number, since it is larger than the sum of its proper divisors (10176583).

402604313 is a wasteful number, since it uses less digits than its factorization.

402604313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18535.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 402604313 is about 20065.0021928730. The cubic root of 402604313 is about 738.4019036993.

The spelling of 402604313 in words is "four hundred two million, six hundred four thousand, three hundred thirteen".