2987979 has 8 divisors (see below), whose sum is σ = 4014912. Its totient is φ = 1976520.

The previous prime is 2987969. The next prime is 2987983. The reversal of 2987979 is 9797892.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2987979 - 2⁵ = 2987947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2987969) 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, 3409 + ... + 4194.

It is an arithmetic number, because the mean of its divisors is an integer number (501864).

2^2987979 is an apocalyptic number.

2987979 is a deficient number, since it is larger than the sum of its proper divisors (1026933).

2987979 is a wasteful number, since it uses less digits than its factorization.

2987979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737.

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

The square root of 2987979 is about 1728.5771605572. The cubic root of 2987979 is about 144.0320626907.

The spelling of 2987979 in words is "two million, nine hundred eighty-seven thousand, nine hundred seventy-nine".