2631608 has 16 divisors (see below), whose sum is σ = 5639280. Its totient is φ = 1127808.

The previous prime is 2631581. The next prime is 2631631. The reversal of 2631608 is 8061362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23441 + ... + 23552.

It is an arithmetic number, because the mean of its divisors is an integer number (352455).

2^2631608 is an apocalyptic number.

2631608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2631608 is an abundant number, since it is smaller than the sum of its proper divisors (3007672).

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

2631608 is a wasteful number, since it uses less digits than its factorization.

2631608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47006 (or 47002 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2631608 is about 1622.2231659054. The cubic root of 2631608 is about 138.0618640223.

The spelling of 2631608 in words is "two million, six hundred thirty-one thousand, six hundred eight".