11731408 has 20 divisors (see below), whose sum is σ = 24478468. Its totient is φ = 5414400.

The previous prime is 11731393. The next prime is 11731409. The reversal of 11731408 is 80413711.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 7354944 = 2092^2 + 2712^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11731409) 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, 27993 + ... + 28408.

Almost surely, 2^11731408 is an apocalyptic number.

It is an amenable number.

11731408 is an abundant number, since it is smaller than the sum of its proper divisors (12747060).

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

11731408 is a wasteful number, since it uses less digits than its factorization.

11731408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56422 (or 56416 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 11731408 is about 3425.1143046620. The cubic root of 11731408 is about 227.2218264094.

The spelling of 11731408 in words is "eleven million, seven hundred thirty-one thousand, four hundred eight".