11431392 has 48 divisors (see below), whose sum is σ = 34296192. Its totient is φ = 3265920.

The previous prime is 11431373. The next prime is 11431393. The reversal of 11431392 is 29313411.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431393) 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, 7834 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (714504).

Almost surely, 2^11431392 is an apocalyptic number.

11431392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11431392 is an abundant number, since it is smaller than the sum of its proper divisors (22864800).

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

11431392 is a wasteful number, since it uses less digits than its factorization.

11431392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17031 (or 17023 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 11431392 is about 3381.0341613181. The cubic root of 11431392 is about 225.2681050963.

The spelling of 11431392 in words is "eleven million, four hundred thirty-one thousand, three hundred ninety-two".