2480644 has 6 divisors (see below), whose sum is σ = 4341134. Its totient is φ = 1240320.

The previous prime is 2480617. The next prime is 2480663. The reversal of 2480644 is 4460842.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 407044 = 1440^2 + 638^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310077 + ... + 310084.

2^2480644 is an apocalyptic number.

It is an amenable number.

2480644 is a deficient number, since it is larger than the sum of its proper divisors (1860490).

2480644 is a wasteful number, since it uses less digits than its factorization.

2480644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620165 (or 620163 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 2480644 is about 1575.0060317345. The cubic root of 2480644 is about 135.3697044992.

The spelling of 2480644 in words is "two million, four hundred eighty thousand, six hundred forty-four".