631088 has 10 divisors (see below), whose sum is σ = 1222764. Its totient is φ = 315536.

The previous prime is 631061. The next prime is 631121. The reversal of 631088 is 880136.

It is an unprimeable number.

631088 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19706 + ... + 19737.

2⁶³¹⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

631088 is a deficient number, since it is larger than the sum of its proper divisors (591676).

631088 is a wasteful number, since it uses less digits than its factorization.

631088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39451 (or 39445 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 631088 is about 794.4104732442. The cubic root of 631088 is about 85.7755096977.

The spelling of 631088 in words is "six hundred thirty-one thousand, eighty-eight".