2490867 has 6 divisors (see below), whose sum is σ = 3597932. Its totient is φ = 1660572.

The previous prime is 2490847. The next prime is 2490869. The reversal of 2490867 is 7680942.

It is a de Polignac number, because none of the positive numbers 2^k-2490867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2490869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138373 + ... + 138390.

2^2490867 is an apocalyptic number.

2490867 is a deficient number, since it is larger than the sum of its proper divisors (1107065).

2490867 is a wasteful number, since it uses less digits than its factorization.

2490867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276769 (or 276766 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2490867 is about 1578.2480793589. The cubic root of 2490867 is about 135.5554073226. Note that the first 3 decimals are identical.

The spelling of 2490867 in words is "two million, four hundred ninety thousand, eight hundred sixty-seven".