2646740 has 24 divisors (see below), whose sum is σ = 5654880. Its totient is φ = 1040288.

The previous prime is 2646733. The next prime is 2646769. The reversal of 2646740 is 476462.

It is a congruent 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, 59 + ... + 2301.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

2^2646740 is an apocalyptic number.

2646740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2646740 is an abundant number, since it is smaller than the sum of its proper divisors (3008140).

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

2646740 is a wasteful number, since it uses less digits than its factorization.

2646740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2646740 is about 1626.8804504327. The cubic root of 2646740 is about 138.3259814483.

The spelling of 2646740 in words is "two million, six hundred forty-six thousand, seven hundred forty".