2708949 has 16 divisors (see below), whose sum is σ = 3731904. Its totient is φ = 1747200.

The previous prime is 2708941. The next prime is 2708983. The reversal of 2708949 is 9498072.

It is not a de Polignac number, because 2708949 - 2³ = 2708941 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2708941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20614 + ... + 20744.

It is an arithmetic number, because the mean of its divisors is an integer number (233244).

2^2708949 is an apocalyptic number.

It is an amenable number.

2708949 is a deficient number, since it is larger than the sum of its proper divisors (1022955).

2708949 is a wasteful number, since it uses less digits than its factorization.

2708949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2708949 is about 1645.8885138429. Note that the first 3 decimals coincide. The cubic root of 2708949 is about 139.4013382360.

The spelling of 2708949 in words is "two million, seven hundred eight thousand, nine hundred forty-nine".