11289490 has 8 divisors (see below), whose sum is σ = 20321100. Its totient is φ = 4515792.

The previous prime is 11289451. The next prime is 11289511. The reversal of 11289490 is 9498211.

It can be written as a sum of positive squares in 2 ways, for example, as 10817521 + 471969 = 3289^2 + 687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564465 + ... + 564484.

Almost surely, 2^11289490 is an apocalyptic number.

11289490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11289490 is a deficient number, since it is larger than the sum of its proper divisors (9031610).

11289490 is a wasteful number, since it uses less digits than its factorization.

11289490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128956.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 11289490 is about 3359.9836309125. The cubic root of 11289490 is about 224.3321099316.

The spelling of 11289490 in words is "eleven million, two hundred eighty-nine thousand, four hundred ninety".