312653642 has 16 divisors (see below), whose sum is σ = 536232960. Its totient is φ = 133930608.

The previous prime is 312653641. The next prime is 312653687. The reversal of 312653642 is 246356213.

It is a junction number, because it is equal to n+sod(n) for n = 312653599 and 312653608.

It is not an unprimeable number, because it can be changed into a prime (312653641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36428 + ... + 44184.

It is an arithmetic number, because the mean of its divisors is an integer number (33514560).

Almost surely, 2^312653642 is an apocalyptic number.

312653642 is a deficient number, since it is larger than the sum of its proper divisors (223579318).

312653642 is a wasteful number, since it uses less digits than its factorization.

312653642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645.

The product of its digits is 25920, while the sum is 32.

The square root of 312653642 is about 17682.0146476582. The cubic root of 312653642 is about 678.7155988746.

The spelling of 312653642 in words is "three hundred twelve million, six hundred fifty-three thousand, six hundred forty-two".