2639552 has 14 divisors (see below), whose sum is σ = 5237988. Its totient is φ = 1319744.

The previous prime is 2639521. The next prime is 2639561. The reversal of 2639552 is 2559362.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20558 + ... + 20685.

It is an arithmetic number, because the mean of its divisors is an integer number (374142).

2^2639552 is an apocalyptic number.

It is an amenable number.

2639552 is a deficient number, since it is larger than the sum of its proper divisors (2598436).

2639552 is an equidigital number, since it uses as much as digits as its factorization.

2639552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41255 (or 41245 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 2639552 is about 1624.6698126081. The cubic root of 2639552 is about 138.2006463054.

The spelling of 2639552 in words is "two million, six hundred thirty-nine thousand, five hundred fifty-two".