2913439 has 4 divisors (see below), whose sum is σ = 2918520. Its totient is φ = 2908360.

The previous prime is 2913431. The next prime is 2913451. The reversal of 2913439 is 9343192.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2913439 - 2³ = 2913431 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

2913439 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2913439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2913431) 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 3 ways as a sum of consecutive naturals, for example, 1552 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (729630).

2^2913439 is an apocalyptic number.

2913439 is a deficient number, since it is larger than the sum of its proper divisors (5081).

2913439 is an equidigital number, since it uses as much as digits as its factorization.

2913439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080.

The product of its digits is 5832, while the sum is 31.

The square root of 2913439 is about 1706.8799020435. The cubic root of 2913439 is about 142.8242580021.

The spelling of 2913439 in words is "two million, nine hundred thirteen thousand, four hundred thirty-nine".