11899390 has 16 divisors (see below), whose sum is σ = 21917808. Its totient is φ = 4648896.

The previous prime is 11899379. The next prime is 11899399. The reversal of 11899390 is 9399811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13407 + ... + 14266.

It is an arithmetic number, because the mean of its divisors is an integer number (1369863).

Almost surely, 2^11899390 is an apocalyptic number.

11899390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11899390 is a deficient number, since it is larger than the sum of its proper divisors (10018418).

11899390 is a wasteful number, since it uses less digits than its factorization.

11899390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27723.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 11899390 is about 3449.5492459161. The cubic root of 11899390 is about 228.3012203167.

The spelling of 11899390 in words is "eleven million, eight hundred ninety-nine thousand, three hundred ninety".