2975980 has 48 divisors (see below), whose sum is σ = 7398720. Its totient is φ = 983808.

The previous prime is 2975963. The next prime is 2975983. The reversal of 2975980 is 895792.

2975980 = T₉₁ + T₉₂ + ... + T₂₆₄.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2975983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3694 + ... + 4426.

It is an arithmetic number, because the mean of its divisors is an integer number (154140).

2^2975980 is an apocalyptic number.

2975980 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 2975980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3699360).

2975980 is an abundant number, since it is smaller than the sum of its proper divisors (4422740).

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

2975980 is a wasteful number, since it uses less digits than its factorization.

2975980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 2975980 is about 1725.1028954819. The cubic root of 2975980 is about 143.8390047415.

The spelling of 2975980 in words is "two million, nine hundred seventy-five thousand, nine hundred eighty".