11439790 has 16 divisors (see below), whose sum is σ = 20699712. Its totient is φ = 4551904.

The previous prime is 11439761. The next prime is 11439811. The reversal of 11439790 is 9793411.

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, 934 + ... + 4873.

It is an arithmetic number, because the mean of its divisors is an integer number (1293732).

Almost surely, 2^11439790 is an apocalyptic number.

11439790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11439790 is a deficient number, since it is larger than the sum of its proper divisors (9259922).

11439790 is a wasteful number, since it uses less digits than its factorization.

11439790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 11439790 is about 3382.2758610143. The cubic root of 11439790 is about 225.3232555238.

The spelling of 11439790 in words is "eleven million, four hundred thirty-nine thousand, seven hundred ninety".