2379739 has 4 divisors (see below), whose sum is σ = 2387656. Its totient is φ = 2371824.

The previous prime is 2379737. The next prime is 2379757. The reversal of 2379739 is 9379732.

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 2379739 - 2¹ = 2379737 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2379733) 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, 3489 + ... + 4114.

It is an arithmetic number, because the mean of its divisors is an integer number (596914).

2^2379739 is an apocalyptic number.

2379739 is a deficient number, since it is larger than the sum of its proper divisors (7917).

2379739 is an equidigital number, since it uses as much as digits as its factorization.

2379739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7916.

The product of its digits is 71442, while the sum is 40.

The square root of 2379739 is about 1542.6402691490. The cubic root of 2379739 is about 133.5087642177.

The spelling of 2379739 in words is "two million, three hundred seventy-nine thousand, seven hundred thirty-nine".