631076 has 6 divisors (see below), whose sum is σ = 1104390. Its totient is φ = 315536.

The previous prime is 631061. The next prime is 631121. The reversal of 631076 is 670136.

It can be written as a sum of positive squares in only one way, i.e., 602176 + 28900 = 776^2 + 170^2 .

It is an unprimeable number.

631076 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, 78881 + ... + 78888.

It is an arithmetic number, because the mean of its divisors is an integer number (184065).

2⁶³¹⁰⁷⁶ is an apocalyptic number.

It is an amenable number.

631076 is a deficient number, since it is larger than the sum of its proper divisors (473314).

631076 is a wasteful number, since it uses less digits than its factorization.

631076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157773 (or 157771 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 631076 is about 794.4029204377. The cubic root of 631076 is about 85.7749660267.

Subtracting 631076 from its reverse (670136), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 631076 in words is "six hundred thirty-one thousand, seventy-six".