2491884 has 30 divisors (see below), whose sum is σ = 6515124. Its totient is φ = 830520.

The previous prime is 2491871. The next prime is 2491891. The reversal of 2491884 is 4881942.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3522 + ... + 4169.

2^2491884 is an apocalyptic number.

It is an amenable number.

2491884 is an abundant number, since it is smaller than the sum of its proper divisors (4023240).

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

2491884 is a wasteful number, since it uses less digits than its factorization.

2491884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707 (or 7696 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 2491884 is about 1578.5702391721. The cubic root of 2491884 is about 135.5738535225.

It can be divided in two parts, 2491 and 884, that added together give a cube (3375 = 15³).

The spelling of 2491884 in words is "two million, four hundred ninety-one thousand, eight hundred eighty-four".