11392990 has 24 divisors (see below), whose sum is σ = 23856552. Its totient is φ = 3906000.

The previous prime is 11392967. The next prime is 11392993. The reversal of 11392990 is 9929311.

It is a super-2 number, since 2×11392990² = 259600442280200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11392993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11136 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (994023).

Almost surely, 2^11392990 is an apocalyptic number.

11392990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11392990 is an abundant number, since it is smaller than the sum of its proper divisors (12463562).

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

11392990 is a wasteful number, since it uses less digits than its factorization.

11392990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23272 (or 23265 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 11392990 is about 3375.3503521857. The cubic root of 11392990 is about 225.0155709389.

The spelling of 11392990 in words is "eleven million, three hundred ninety-two thousand, nine hundred ninety".