2989779 has 12 divisors (see below), whose sum is σ = 4317336. Its totient is φ = 1839552.

The previous prime is 2989771. The next prime is 2989799. The reversal of 2989779 is 9779892.

It is a happy number.

It is not a de Polignac number, because 2989779 - 2³ = 2989771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2989771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2442 + ... + 3455.

It is an arithmetic number, because the mean of its divisors is an integer number (359778).

2^2989779 is an apocalyptic number.

2989779 is a deficient number, since it is larger than the sum of its proper divisors (1327557).

2989779 is a wasteful number, since it uses less digits than its factorization.

2989779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926 (or 5913 counting only the distinct ones).

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

The square root of 2989779 is about 1729.0977415982. The cubic root of 2989779 is about 144.0609791891.

The spelling of 2989779 in words is "two million, nine hundred eighty-nine thousand, seven hundred seventy-nine".