2651340 has 24 divisors (see below), whose sum is σ = 7423920. Its totient is φ = 707008.

The previous prime is 2651339. The next prime is 2651359. The reversal of 2651340 is 431562.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22035 + ... + 22154.

It is an arithmetic number, because the mean of its divisors is an integer number (309330).

2^2651340 is an apocalyptic number.

2651340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651340 is an abundant number, since it is smaller than the sum of its proper divisors (4772580).

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

2651340 is a wasteful number, since it uses less digits than its factorization.

2651340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44201 (or 44199 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2651340 is about 1628.2935853218. The cubic root of 2651340 is about 138.4060713253.

The spelling of 2651340 in words is "two million, six hundred fifty-one thousand, three hundred forty".