11431924 has 12 divisors (see below), whose sum is σ = 22863904. Its totient is φ = 4899384.

The previous prime is 11431921. The next prime is 11431957. The reversal of 11431924 is 42913411.

It is a happy number.

11431924 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431921) 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, 204114 + ... + 204169.

Almost surely, 2^11431924 is an apocalyptic number.

11431924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11431924 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.

11431924 is a wasteful number, since it uses less digits than its factorization.

11431924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408294 (or 408292 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 11431924 is about 3381.1128345561. The cubic root of 11431924 is about 225.2715995897.

The spelling of 11431924 in words is "eleven million, four hundred thirty-one thousand, nine hundred twenty-four".