2957880 has 48 divisors (see below), whose sum is σ = 8930520. Its totient is φ = 783744.

The previous prime is 2957879. The next prime is 2957897. The reversal of 2957880 is 887592.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18762 + ... + 18918.

2^2957880 is an apocalyptic number.

2957880 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 2957880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4465260).

2957880 is an abundant number, since it is smaller than the sum of its proper divisors (5972640).

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

2957880 is a wasteful number, since it uses less digits than its factorization.

2957880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2957880 is about 1719.8488305662. The cubic root of 2957880 is about 143.5468004869.

The spelling of 2957880 in words is "two million, nine hundred fifty-seven thousand, eight hundred eighty".