2489956 has 24 divisors (see below), whose sum is σ = 5273856. Its totient is φ = 1004160.

The previous prime is 2489947. The next prime is 2489999. The reversal of 2489956 is 6599842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (219744).

2^2489956 is an apocalyptic number.

It is an amenable number.

2489956 is an abundant number, since it is smaller than the sum of its proper divisors (2783900).

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

2489956 is a wasteful number, since it uses less digits than its factorization.

2489956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259 (or 5257 counting only the distinct ones).

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

The square root of 2489956 is about 1577.9594418108. The cubic root of 2489956 is about 135.5388794719.

It can be divided in two parts, 248995 and 6, that added together give a square (249001 = 499²).

The spelling of 2489956 in words is "two million, four hundred eighty-nine thousand, nine hundred fifty-six".