2679939 has 8 divisors (see below), whose sum is σ = 3970320. Its totient is φ = 1786608.

The previous prime is 2679899. The next prime is 2679949. The reversal of 2679939 is 9399762.

It is not a de Polignac number, because 2679939 - 2⁷ = 2679811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2679894 and 2679903.

It is not an unprimeable number, because it can be changed into a prime (2679949) 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, 49602 + ... + 49655.

It is an arithmetic number, because the mean of its divisors is an integer number (496290).

2^2679939 is an apocalyptic number.

2679939 is a deficient number, since it is larger than the sum of its proper divisors (1290381).

2679939 is an equidigital number, since it uses as much as digits as its factorization.

2679939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99266 (or 99260 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 2679939 is about 1637.0519234282. The cubic root of 2679939 is about 138.9019372867.

The spelling of 2679939 in words is "two million, six hundred seventy-nine thousand, nine hundred thirty-nine".