11389624 has 8 divisors (see below), whose sum is σ = 21355560. Its totient is φ = 5694808.

The previous prime is 11389621. The next prime is 11389639. The reversal of 11389624 is 42698311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11389624² = 259447069722752, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11389624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11389621) 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 as a sum of consecutive naturals, namely, 711844 + ... + 711859.

It is an arithmetic number, because the mean of its divisors is an integer number (2669445).

Almost surely, 2^11389624 is an apocalyptic number.

It is an amenable number.

11389624 is a deficient number, since it is larger than the sum of its proper divisors (9965936).

11389624 is a wasteful number, since it uses less digits than its factorization.

11389624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423709 (or 1423705 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 11389624 is about 3374.8517004455. The cubic root of 11389624 is about 224.9934088604.

The spelling of 11389624 in words is "eleven million, three hundred eighty-nine thousand, six hundred twenty-four".