331436634 has 16 divisors (see below), whose sum is σ = 663257280. Its totient is φ = 110414880.

The previous prime is 331436603. The next prime is 331436657. The reversal of 331436634 is 436634133.

It is a junction number, because it is equal to n+sod(n) for n = 331436595 and 331436604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4099 + ... + 26070.

It is an arithmetic number, because the mean of its divisors is an integer number (41453580).

Almost surely, 2^331436634 is an apocalyptic number.

331436634 is an abundant number, since it is smaller than the sum of its proper divisors (331820646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331436634 is a wasteful number, since it uses less digits than its factorization.

331436634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32005.

The product of its digits is 46656, while the sum is 33.

The square root of 331436634 is about 18205.4012315027. The cubic root of 331436634 is about 692.0436742235.

The spelling of 331436634 in words is "three hundred thirty-one million, four hundred thirty-six thousand, six hundred thirty-four".