2499658 has 16 divisors (see below), whose sum is σ = 4356864. Its totient is φ = 1053360.

The previous prime is 2499643. The next prime is 2499661. The reversal of 2499658 is 8569942.

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, 610 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (272304).

2^2499658 is an apocalyptic number.

2499658 is a deficient number, since it is larger than the sum of its proper divisors (1857206).

2499658 is a wasteful number, since it uses less digits than its factorization.

2499658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997.

The product of its digits is 155520, while the sum is 43.

The square root of 2499658 is about 1581.0306764892. The cubic root of 2499658 is about 135.7146916753.

The spelling of 2499658 in words is "two million, four hundred ninety-nine thousand, six hundred fifty-eight".