2631480 has 32 divisors (see below), whose sum is σ = 7894800. Its totient is φ = 701696.

The previous prime is 2631469. The next prime is 2631487. The reversal of 2631480 is 841362.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2631480.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10845 + ... + 11084.

2^2631480 is an apocalyptic number.

2631480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2631480 is an abundant number, since it is smaller than the sum of its proper divisors (5263320).

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

2631480 is a wasteful number, since it uses less digits than its factorization.

2631480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21943 (or 21939 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2631480 is about 1622.1837133938. The cubic root of 2631480 is about 138.0596255677.

The spelling of 2631480 in words is "two million, six hundred thirty-one thousand, four hundred eighty".