2861913 has 32 divisors (see below), whose sum is σ = 4377600. Its totient is φ = 1653696.

The previous prime is 2861909. The next prime is 2861917. The reversal of 2861913 is 3191682.

It is an interprime number because it is at equal distance from previous prime (2861909) and next prime (2861917).

It is not a de Polignac number, because 2861913 - 2² = 2861909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2861917) 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 31 ways as a sum of consecutive naturals, for example, 48478 + ... + 48536.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

2^2861913 is an apocalyptic number.

2861913 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2861913 is a deficient number, since it is larger than the sum of its proper divisors (1515687).

2861913 is a wasteful number, since it uses less digits than its factorization.

2861913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its digits is 2592, while the sum is 30.

The square root of 2861913 is about 1691.7189482890. The cubic root of 2861913 is about 141.9772660822.

The spelling of 2861913 in words is "two million, eight hundred sixty-one thousand, nine hundred thirteen".