2623139 has 8 divisors (see below), whose sum is σ = 2712528. Its totient is φ = 2535040.

The previous prime is 2623133. The next prime is 2623141. The reversal of 2623139 is 9313262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2623139 - 2⁴ = 2623123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2623133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5384 + ... + 5850.

It is an arithmetic number, because the mean of its divisors is an integer number (339066).

2^2623139 is an apocalyptic number.

2623139 is a deficient number, since it is larger than the sum of its proper divisors (89389).

2623139 is a wasteful number, since it uses less digits than its factorization.

2623139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its digits is 1944, while the sum is 26.

The square root of 2623139 is about 1619.6107557064. The cubic root of 2623139 is about 137.9136020146.

The spelling of 2623139 in words is "two million, six hundred twenty-three thousand, one hundred thirty-nine".