2979730 has 16 divisors (see below), whose sum is σ = 5776344. Its totient is φ = 1100160.

The previous prime is 2979701. The next prime is 2979731. The reversal of 2979730 is 379792.

It can be written as a sum of positive squares in 4 ways, for example, as 1819801 + 1159929 = 1349^2 + 1077^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2979730.

It is not an unprimeable number, because it can be changed into a prime (2979731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11331 + ... + 11590.

2^2979730 is an apocalyptic number.

2979730 is a deficient number, since it is larger than the sum of its proper divisors (2796614).

2979730 is a wasteful number, since it uses less digits than its factorization.

2979730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22941.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 2979730 is about 1726.1894449915. The cubic root of 2979730 is about 143.8993960371.

The spelling of 2979730 in words is "two million, nine hundred seventy-nine thousand, seven hundred thirty".