2480639 has 4 divisors (see below), whose sum is σ = 2835024. Its totient is φ = 2126256.

The previous prime is 2480617. The next prime is 2480663. The reversal of 2480639 is 9360842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2480639 - 2⁸ = 2480383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2480339) 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, 177182 + ... + 177195.

It is an arithmetic number, because the mean of its divisors is an integer number (708756).

2^2480639 is an apocalyptic number.

2480639 is a deficient number, since it is larger than the sum of its proper divisors (354385).

2480639 is an equidigital number, since it uses as much as digits as its factorization.

2480639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354384.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2480639 is about 1575.0044444382. The cubic root of 2480639 is about 135.3696135485.

The spelling of 2480639 in words is "two million, four hundred eighty thousand, six hundred thirty-nine".