2631460 has 48 divisors (see below), whose sum is σ = 6174000. Its totient is φ = 935424.

The previous prime is 2631457. The next prime is 2631467. The reversal of 2631460 is 641362.

It can be written as a sum of positive squares in 8 ways, for example, as 45796 + 2585664 = 214^2 + 1608^2 .

It is not an unprimeable number, because it can be changed into a prime (2631467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7366 + ... + 7714.

It is an arithmetic number, because the mean of its divisors is an integer number (128625).

2^2631460 is an apocalyptic number.

2631460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2631460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3087000).

2631460 is an abundant number, since it is smaller than the sum of its proper divisors (3542540).

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

2631460 is a wasteful number, since it uses less digits than its factorization.

2631460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2631460 is about 1622.1775488522. The cubic root of 2631460 is about 138.0592758026.

The spelling of 2631460 in words is "two million, six hundred thirty-one thousand, four hundred sixty".