2917680 has 40 divisors (see below), whose sum is σ = 9045552. Its totient is φ = 777984.

The previous prime is 2917667. The next prime is 2917723. The reversal of 2917680 is 867192.

It is a tau number, because it is divible by the number of its divisors (40).

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, 5839 + ... + 6318.

2^2917680 is an apocalyptic number.

2917680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2917680 is an abundant number, since it is smaller than the sum of its proper divisors (6127872).

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

2917680 is a wasteful number, since it uses less digits than its factorization.

2917680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12173 (or 12167 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2917680 is about 1708.1217755184. The cubic root of 2917680 is about 142.8935259712.

The spelling of 2917680 in words is "two million, nine hundred seventeen thousand, six hundred eighty".