11838490 has 16 divisors (see below), whose sum is σ = 21506760. Its totient is φ = 4691520.

The previous prime is 11838487. The next prime is 11838493. The reversal of 11838490 is 9483811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11838487) and next prime (11838493).

It can be written as a sum of positive squares in 4 ways, for example, as 9903609 + 1934881 = 3147^2 + 1391^2 .

It is not an unprimeable number, because it can be changed into a prime (11838493) 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, 4341 + ... + 6520.

Almost surely, 2^11838490 is an apocalyptic number.

11838490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11838490 is a deficient number, since it is larger than the sum of its proper divisors (9668270).

11838490 is a wasteful number, since it uses less digits than its factorization.

11838490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10977.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11838490 is about 3440.7106824027. The cubic root of 11838490 is about 227.9110790009.

The spelling of 11838490 in words is "eleven million, eight hundred thirty-eight thousand, four hundred ninety".