2499690 has 32 divisors (see below), whose sum is σ = 6068160. Its totient is φ = 658944.

The previous prime is 2499689. The next prime is 2499727. The reversal of 2499690 is 969942.

It is a super-2 number, since 2×2499690² = 12496900192200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2481 + ... + 3339.

It is an arithmetic number, because the mean of its divisors is an integer number (189630).

2^2499690 is an apocalyptic number.

2499690 is an abundant number, since it is smaller than the sum of its proper divisors (3568470).

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

2499690 is a wasteful number, since it uses less digits than its factorization.

2499690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 2499690 is about 1581.0407964376. The cubic root of 2499690 is about 135.7152708015.

The spelling of 2499690 in words is "two million, four hundred ninety-nine thousand, six hundred ninety".