631432848 has 40 divisors (see below), whose sum is σ = 1647051328. Its totient is φ = 208432512.

The previous prime is 631432847. The next prime is 631432883. The reversal of 631432848 is 848234136.

It is a happy number.

It is a super-2 number, since 2×631432848² = 797414883066782208, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (631432843) by changing a digit.

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, 58915 + ... + 68802.

Almost surely, 2^631432848 is an apocalyptic number.

It is an amenable number.

631432848 is an abundant number, since it is smaller than the sum of its proper divisors (1015618480).

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

631432848 is a wasteful number, since it uses less digits than its factorization.

631432848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127831 (or 127825 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 631432848 is about 25128.3276005388. The cubic root of 631432848 is about 857.9113040713.

The spelling of 631432848 in words is "six hundred thirty-one million, four hundred thirty-two thousand, eight hundred forty-eight".