913631412 has 12 divisors (see below), whose sum is σ = 2131806656. Its totient is φ = 304543800.

The previous prime is 913631401. The next prime is 913631419. The reversal of 913631412 is 214136319.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×913631412² = 1669444713986227488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 913631412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913631419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38067964 + ... + 38067987.

Almost surely, 2^913631412 is an apocalyptic number.

It is an amenable number.

913631412 is an abundant number, since it is smaller than the sum of its proper divisors (1218175244).

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

913631412 is a wasteful number, since it uses less digits than its factorization.

913631412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76135958 (or 76135956 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 913631412 is about 30226.3363972546. The cubic root of 913631412 is about 970.3394185406.

The spelling of 913631412 in words is "nine hundred thirteen million, six hundred thirty-one thousand, four hundred twelve".