11389020 has 24 divisors (see below), whose sum is σ = 31889424. Its totient is φ = 3037056.

The previous prime is 11389013. The next prime is 11389043. The reversal of 11389020 is 2098311.

11389020 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 94849 + ... + 94968.

It is an arithmetic number, because the mean of its divisors is an integer number (1328726).

Almost surely, 2^11389020 is an apocalyptic number.

11389020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11389020 is an abundant number, since it is smaller than the sum of its proper divisors (20500404).

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

11389020 is a wasteful number, since it uses less digits than its factorization.

11389020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189829 (or 189827 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11389020 is about 3374.7622138456. The cubic root of 11389020 is about 224.9894316024.

The spelling of 11389020 in words is "eleven million, three hundred eighty-nine thousand, twenty".