63031398 has 32 divisors (see below), whose sum is σ = 133203840. Its totient is φ = 19828800.

The previous prime is 63031349. The next prime is 63031439. The reversal of 63031398 is 89313036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34098 + ... + 35898.

It is an arithmetic number, because the mean of its divisors is an integer number (4162620).

Almost surely, 2^63031398 is an apocalyptic number.

63031398 is an abundant number, since it is smaller than the sum of its proper divisors (70172442).

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

63031398 is a wasteful number, since it uses less digits than its factorization.

63031398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 63031398 is about 7939.2315749070. The cubic root of 63031398 is about 397.9718126886.

The spelling of 63031398 in words is "sixty-three million, thirty-one thousand, three hundred ninety-eight".