2631496 has 40 divisors (see below), whose sum is σ = 5798070. Its totient is φ = 1119552.

The previous prime is 2631493. The next prime is 2631509. The reversal of 2631496 is 6941362.

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 470596 = 1470^2 + 686^2 .

It is not an unprimeable number, because it can be changed into a prime (2631493) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19140 + ... + 19276.

2^2631496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2631496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899035).

2631496 is an abundant number, since it is smaller than the sum of its proper divisors (3166574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2631496 is an equidigital number, since it uses as much as digits as its factorization.

2631496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 146 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 2631496 is about 1622.1886450102. The cubic root of 2631496 is about 138.0599053785.

The spelling of 2631496 in words is "two million, six hundred thirty-one thousand, four hundred ninety-six".