2913645 has 16 divisors (see below), whose sum is σ = 5328000. Its totient is φ = 1331904.

The previous prime is 2913641. The next prime is 2913697. The reversal of 2913645 is 5463192.

It is not a de Polignac number, because 2913645 - 2² = 2913641 is a prime.

It is a super-3 number, since 3×2913645³ = 74204657126777433375, which contains 333 as substring.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13770 + ... + 13979.

It is an arithmetic number, because the mean of its divisors is an integer number (333000).

2^2913645 is an apocalyptic number.

It is an amenable number.

2913645 is a deficient number, since it is larger than the sum of its proper divisors (2414355).

2913645 is a wasteful number, since it uses less digits than its factorization.

2913645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27764.

The product of its digits is 6480, while the sum is 30.

The square root of 2913645 is about 1706.9402449998. The cubic root of 2913645 is about 142.8276241390.

The spelling of 2913645 in words is "two million, nine hundred thirteen thousand, six hundred forty-five".