11389534 has 16 divisors (see below), whose sum is σ = 18581472. Its totient is φ = 5204448.

The previous prime is 11389529. The next prime is 11389549. The reversal of 11389534 is 43598311.

It is a self number, because there is not a number n which added to its sum of digits gives 11389534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552 + ... + 4804.

It is an arithmetic number, because the mean of its divisors is an integer number (1161342).

Almost surely, 2^11389534 is an apocalyptic number.

11389534 is a deficient number, since it is larger than the sum of its proper divisors (7191938).

11389534 is a wasteful number, since it uses less digits than its factorization.

11389534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371.

The product of its digits is 12960, while the sum is 34.

The square root of 11389534 is about 3374.8383664999. The cubic root of 11389534 is about 224.9928162315.

The spelling of 11389534 in words is "eleven million, three hundred eighty-nine thousand, five hundred thirty-four".