11939090 has 8 divisors (see below), whose sum is σ = 21490380. Its totient is φ = 4775632.

The previous prime is 11939089. The next prime is 11939099. The reversal of 11939090 is 9093911.

It can be written as a sum of positive squares in 2 ways, for example, as 11648569 + 290521 = 3413^2 + 539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11939099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596945 + ... + 596964.

Almost surely, 2^11939090 is an apocalyptic number.

11939090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11939090 is a deficient number, since it is larger than the sum of its proper divisors (9551290).

11939090 is a wasteful number, since it uses less digits than its factorization.

11939090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193916.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 11939090 is about 3455.2988293344. The cubic root of 11939090 is about 228.5548326864.

The spelling of 11939090 in words is "eleven million, nine hundred thirty-nine thousand, ninety".