11393931 has 8 divisors (see below), whose sum is σ = 15241104. Its totient is φ = 7571360.

The previous prime is 11393929. The next prime is 11393951. The reversal of 11393931 is 13939311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11393931 - 2¹ = 11393929 is a prime.

It is a super-2 number, since 2×11393931² = 259643327265522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11393951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5040 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (1905138).

Almost surely, 2^11393931 is an apocalyptic number.

11393931 is a deficient number, since it is larger than the sum of its proper divisors (3847173).

11393931 is a wasteful number, since it uses less digits than its factorization.

11393931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12301.

The product of its digits is 2187, while the sum is 30.

The square root of 11393931 is about 3375.4897422448. The cubic root of 11393931 is about 225.0217657956.

The spelling of 11393931 in words is "eleven million, three hundred ninety-three thousand, nine hundred thirty-one".