2979798 has 16 divisors (see below), whose sum is σ = 6105456. Its totient is φ = 968960.

The previous prime is 2979797. The next prime is 2979817. The reversal of 2979798 is 8979792.

It is a happy number.

It is a super-2 number, since 2×2979798² = 17758392241608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2979798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5811 + ... + 6302.

It is an arithmetic number, because the mean of its divisors is an integer number (381591).

2^2979798 is an apocalyptic number.

2979798 is an abundant number, since it is smaller than the sum of its proper divisors (3125658).

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

2979798 is a wasteful number, since it uses less digits than its factorization.

2979798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159.

The product of its digits is 571536, while the sum is 51.

The square root of 2979798 is about 1726.2091414426. The cubic root of 2979798 is about 143.9004906648.

It can be divided in two parts, 297979 and 8, that multiplied together give a palindrome (2383832).

The spelling of 2979798 in words is "two million, nine hundred seventy-nine thousand, seven hundred ninety-eight".