2869913 has 4 divisors (see below), whose sum is σ = 2877540. Its totient is φ = 2862288.

The previous prime is 2869901. The next prime is 2869943. The reversal of 2869913 is 3199682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3199682 = 2 ⋅1599841.

It can be written as a sum of positive squares in 2 ways, for example, as 2569609 + 300304 = 1603^2 + 548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2869913 - 2¹² = 2865817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2869943) 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, 3218 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (719385).

2^2869913 is an apocalyptic number.

It is an amenable number.

2869913 is a deficient number, since it is larger than the sum of its proper divisors (7627).

2869913 is an equidigital number, since it uses as much as digits as its factorization.

2869913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626.

The product of its digits is 23328, while the sum is 38.

The square root of 2869913 is about 1694.0817571770. The cubic root of 2869913 is about 142.1094342554.

The spelling of 2869913 in words is "two million, eight hundred sixty-nine thousand, nine hundred thirteen".