2500690 has 16 divisors (see below), whose sum is σ = 4543128. Its totient is φ = 990976.

The previous prime is 2500679. The next prime is 2500709. The reversal of 2500690 is 960052.

It can be written as a sum of positive squares in 4 ways, for example, as 2047761 + 452929 = 1431^2 + 673^2 .

It is a super-2 number, since 2×2500690² = 12506900952200, which contains 22 as substring.

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, 24 + ... + 2236.

2^2500690 is an apocalyptic number.

2500690 is a deficient number, since it is larger than the sum of its proper divisors (2042438).

2500690 is a wasteful number, since it uses less digits than its factorization.

2500690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2500690 is about 1581.3570121892. The cubic root of 2500690 is about 135.7333660022.

The spelling of 2500690 in words is "two million, five hundred thousand, six hundred ninety".