11738431 has 2 divisors, whose sum is σ = 11738432. Its totient is φ = 11738430.

The previous prime is 11738407. The next prime is 11738471. The reversal of 11738431 is 13483711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11738431 - 2⁵ = 11738399 is a prime.

It is a super-2 number, since 2×11738431² = 275581524683522, which contains 22 as substring.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 11738431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11738401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5869215 + 5869216.

It is an arithmetic number, because the mean of its divisors is an integer number (5869216).

Almost surely, 2^11738431 is an apocalyptic number.

11738431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11738431 is an equidigital number, since it uses as much as digits as its factorization.

11738431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 11738431 is about 3426.1393725300. The cubic root of 11738431 is about 227.2671594321.

It can be divided in two parts, 1173 and 8431, that added together give a square (9604 = 98²).

The spelling of 11738431 in words is "eleven million, seven hundred thirty-eight thousand, four hundred thirty-one".