11389730 has 24 divisors (see below), whose sum is σ = 22537116. Its totient is φ = 4141280.

The previous prime is 11389723. The next prime is 11389771. The reversal of 11389730 is 3798311.

11389730 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 2 ways, for example, as 10387729 + 1002001 = 3223^2 + 1001^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3497 + ... + 5916.

Almost surely, 2^11389730 is an apocalyptic number.

11389730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11389730 is a deficient number, since it is larger than the sum of its proper divisors (11147386).

11389730 is a wasteful number, since it uses less digits than its factorization.

11389730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442 (or 9431 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 11389730 is about 3374.8674048027. The cubic root of 11389730 is about 224.9941068415.

The spelling of 11389730 in words is "eleven million, three hundred eighty-nine thousand, seven hundred thirty".