11402290 has 16 divisors (see below), whose sum is σ = 21079512. Its totient is φ = 4437504.

The previous prime is 11402263. The next prime is 11402311. The reversal of 11402290 is 9220411.

It can be written as a sum of positive squares in 4 ways, for example, as 8508889 + 2893401 = 2917^2 + 1701^2 .

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, 15039 + ... + 15778.

Almost surely, 2^11402290 is an apocalyptic number.

11402290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11402290 is a deficient number, since it is larger than the sum of its proper divisors (9677222).

11402290 is a wasteful number, since it uses less digits than its factorization.

11402290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30861.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11402290 is about 3376.7277059307. The cubic root of 11402290 is about 225.0767803804.

The spelling of 11402290 in words is "eleven million, four hundred two thousand, two hundred ninety".