2979930 has 32 divisors (see below), whose sum is σ = 7573824. Its totient is φ = 747776.

The previous prime is 2979919. The next prime is 2979931. The reversal of 2979930 is 399792.

2979930 = 770² + 771² + ... + 774².

It is not an unprimeable number, because it can be changed into a prime (2979931) 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, 2412 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (236682).

2^2979930 is an apocalyptic number.

2979930 is an abundant number, since it is smaller than the sum of its proper divisors (4593894).

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

2979930 is a wasteful number, since it uses less digits than its factorization.

2979930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5870.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 2979930 is about 1726.2473750885. The cubic root of 2979930 is about 143.9026154827.

The spelling of 2979930 in words is "two million, nine hundred seventy-nine thousand, nine hundred thirty".