2481556 has 36 divisors (see below), whose sum is σ = 5515776. Its totient is φ = 966000.

The previous prime is 2481517. The next prime is 2481601. The reversal of 2481556 is 6551842.

It is a super-2 number, since 2×2481556² = 12316240362272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (153216).

2^2481556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2481556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2757888).

2481556 is an abundant number, since it is smaller than the sum of its proper divisors (3034220).

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

2481556 is a wasteful number, since it uses less digits than its factorization.

2481556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1171 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 2481556 is about 1575.2955278296. The cubic root of 2481556 is about 135.3862918644.

The spelling of 2481556 in words is "two million, four hundred eighty-one thousand, five hundred fifty-six".