253604338 has 16 divisors (see below), whose sum is σ = 413501760. Its totient is φ = 115952976.

The previous prime is 253604321. The next prime is 253604353. The reversal of 253604338 is 833406352.

It is an unprimeable number.

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, 42798 + ... + 48361.

It is an arithmetic number, because the mean of its divisors is an integer number (25843860).

Almost surely, 2^253604338 is an apocalyptic number.

253604338 is a deficient number, since it is larger than the sum of its proper divisors (159897422).

253604338 is a wasteful number, since it uses less digits than its factorization.

253604338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91281.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 253604338 is about 15924.9595917855. The cubic root of 253604338 is about 632.9735452941.

The spelling of 253604338 in words is "two hundred fifty-three million, six hundred four thousand, three hundred thirty-eight".