831632 has 10 divisors (see below), whose sum is σ = 1611318. Its totient is φ = 415808.

The previous prime is 831631. The next prime is 831643. The reversal of 831632 is 236138.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 50176 = 884^2 + 224^2 .

It is a super-2 number, since 2×831632² = 1383223566848, which contains 22 as substring.

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 831598 and 831607.

It is not an unprimeable number, because it can be changed into a prime (831631) by changing a digit.

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, 25973 + ... + 26004.

2⁸³¹⁶³² is an apocalyptic number.

It is an amenable number.

831632 is a deficient number, since it is larger than the sum of its proper divisors (779686).

831632 is a wasteful number, since it uses less digits than its factorization.

831632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51985 (or 51979 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 831632 is about 911.9385944240. The cubic root of 831632 is about 94.0395186183.

The spelling of 831632 in words is "eight hundred thirty-one thousand, six hundred thirty-two".