2699939 has 8 divisors (see below), whose sum is σ = 2975232. Its totient is φ = 2429640.

The previous prime is 2699911. The next prime is 2699951. The reversal of 2699939 is 9399962.

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

It is a cyclic number.

It is not a de Polignac number, because 2699939 - 2¹⁶ = 2634403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2699893 and 2699902.

It is not an unprimeable number, because it can be changed into a prime (2699989) 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, 59 + ... + 2324.

It is an arithmetic number, because the mean of its divisors is an integer number (371904).

2^2699939 is an apocalyptic number.

2699939 is a deficient number, since it is larger than the sum of its proper divisors (275293).

2699939 is a wasteful number, since it uses less digits than its factorization.

2699939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497.

The product of its digits is 236196, while the sum is 47.

The square root of 2699939 is about 1643.1491107018. The cubic root of 2699939 is about 139.2466163452.

The spelling of 2699939 in words is "two million, six hundred ninety-nine thousand, nine hundred thirty-nine".