11389608 has 24 divisors (see below), whose sum is σ = 30847050. Its totient is φ = 3796512.

The previous prime is 11389583. The next prime is 11389613. The reversal of 11389608 is 80698311.

11389608 is a `hidden beast` number, since 11 + 38 + 9 + 608 = 666.

11389608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9847044 + 1542564 = 3138^2 + 1242^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79023 + ... + 79166.

Almost surely, 2^11389608 is an apocalyptic number.

11389608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11389608 is an abundant number, since it is smaller than the sum of its proper divisors (19457442).

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

11389608 is a wasteful number, since it uses less digits than its factorization.

11389608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158201 (or 158194 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11389608 is about 3374.8493299702. The cubic root of 11389608 is about 224.9933035044.

The spelling of 11389608 in words is "eleven million, three hundred eighty-nine thousand, six hundred eight".