2481644 has 12 divisors (see below), whose sum is σ = 4737768. Its totient is φ = 1128000.

The previous prime is 2481641. The next prime is 2481649. The reversal of 2481644 is 4461842.

It is not an unprimeable number, because it can be changed into a prime (2481641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28157 + ... + 28244.

It is an arithmetic number, because the mean of its divisors is an integer number (394814).

2^2481644 is an apocalyptic number.

It is an amenable number.

2481644 is a deficient number, since it is larger than the sum of its proper divisors (2256124).

2481644 is a wasteful number, since it uses less digits than its factorization.

2481644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56416 (or 56414 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 2481644 is about 1575.3234588490. The cubic root of 2481644 is about 135.3878921847.

It can be divided in two parts, 2481 and 644, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2481644 in words is "two million, four hundred eighty-one thousand, six hundred forty-four".