2739969 has 12 divisors (see below), whose sum is σ = 3983616. Its totient is φ = 1814712.

The previous prime is 2739931. The next prime is 2739973. The reversal of 2739969 is 9699372.

It is not a de Polignac number, because 2739969 - 2⁸ = 2739713 is a prime.

It is a super-2 number, since 2×2739969² = 15014860241922, which contains 22 as substring.

It is a Curzon number.

2739969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2739769) 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, 592 + ... + 2414.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

2^2739969 is an apocalyptic number.

It is an amenable number.

2739969 is a deficient number, since it is larger than the sum of its proper divisors (1243647).

2739969 is a wasteful number, since it uses less digits than its factorization.

2739969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1993 counting only the distinct ones).

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

The square root of 2739969 is about 1655.2851718058. The cubic root of 2739969 is about 139.9314119815.

The spelling of 2739969 in words is "two million, seven hundred thirty-nine thousand, nine hundred sixty-nine".