11288490 has 16 divisors (see below), whose sum is σ = 27092448. Its totient is φ = 3010256.

The previous prime is 11288471. The next prime is 11288509. The reversal of 11288490 is 9488211.

It is an interprime number because it is at equal distance from previous prime (11288471) and next prime (11288509).

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, 188112 + ... + 188171.

It is an arithmetic number, because the mean of its divisors is an integer number (1693278).

Almost surely, 2^11288490 is an apocalyptic number.

11288490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11288490 is an abundant number, since it is smaller than the sum of its proper divisors (15803958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11288490 is a wasteful number, since it uses less digits than its factorization.

11288490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376293.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 11288490 is about 3359.8348173683. The cubic root of 11288490 is about 224.3254861091.

The spelling of 11288490 in words is "eleven million, two hundred eighty-eight thousand, four hundred ninety".