2913808 has 20 divisors (see below), whose sum is σ = 5674860. Its totient is φ = 1449344.

The previous prime is 2913803. The next prime is 2913811. The reversal of 2913808 is 8083192.

It can be written as a sum of positive squares in 2 ways, for example, as 1721344 + 1192464 = 1312^2 + 1092^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2913808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3966 + ... + 4642.

It is an arithmetic number, because the mean of its divisors is an integer number (283743).

2^2913808 is an apocalyptic number.

It is an amenable number.

2913808 is a deficient number, since it is larger than the sum of its proper divisors (2761052).

2913808 is a wasteful number, since it uses less digits than its factorization.

2913808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2913808 is about 1706.9879905846. The cubic root of 2913808 is about 142.8302875233.

Adding to 2913808 its product of nonzero digits (3456), we get a square (2917264 = 1708²).

It can be divided in two parts, 2913 and 808, that added together give a square (3721 = 61²).

The spelling of 2913808 in words is "two million, nine hundred thirteen thousand, eight hundred eight".