11890490 has 16 divisors (see below), whose sum is σ = 21723552. Its totient is φ = 4684944.

The previous prime is 11890481. The next prime is 11890499. The reversal of 11890490 is 9409811.

It is an interprime number because it is at equal distance from previous prime (11890481) and next prime (11890499).

It is not an unprimeable number, because it can be changed into a prime (11890499) 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, 8204 + ... + 9543.

It is an arithmetic number, because the mean of its divisors is an integer number (1357722).

Almost surely, 2^11890490 is an apocalyptic number.

11890490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11890490 is a deficient number, since it is larger than the sum of its proper divisors (9833062).

11890490 is a wasteful number, since it uses less digits than its factorization.

11890490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17821.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 11890490 is about 3448.2589809932. The cubic root of 11890490 is about 228.2442877724.

The spelling of 11890490 in words is "eleven million, eight hundred ninety thousand, four hundred ninety".