117631444 has 12 divisors (see below), whose sum is σ = 235262944. Its totient is φ = 50413464.

The previous prime is 117631439. The next prime is 117631447. The reversal of 117631444 is 444136711.

117631444 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117631447) 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 3 ways as a sum of consecutive naturals, for example, 2100534 + ... + 2100589.

Almost surely, 2^117631444 is an apocalyptic number.

117631444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

117631444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117631444 is a wasteful number, since it uses less digits than its factorization.

117631444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201134 (or 4201132 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 117631444 is about 10845.8030592483. The cubic root of 117631444 is about 489.9756256097.

The spelling of 117631444 in words is "one hundred seventeen million, six hundred thirty-one thousand, four hundred forty-four".