2631488 has 14 divisors (see below), whose sum is σ = 5221986. Its totient is φ = 1315712.

The previous prime is 2631487. The next prime is 2631493. The reversal of 2631488 is 8841362.

It can be written as a sum of positive squares in only one way, i.e., 2408704 + 222784 = 1552^2 + 472^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631487) by changing a digit.

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, 20495 + ... + 20622.

It is an arithmetic number, because the mean of its divisors is an integer number (372999).

2^2631488 is an apocalyptic number.

It is an amenable number.

2631488 is a deficient number, since it is larger than the sum of its proper divisors (2590498).

2631488 is an equidigital number, since it uses as much as digits as its factorization.

2631488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41129 (or 41119 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 2631488 is about 1622.1861792039. The cubic root of 2631488 is about 138.0597654732.

The spelling of 2631488 in words is "two million, six hundred thirty-one thousand, four hundred eighty-eight".