2658339 has 20 divisors (see below), whose sum is σ = 4083024. Its totient is φ = 1722384.

The previous prime is 2658323. The next prime is 2658349. The reversal of 2658339 is 9338562.

It is not a de Polignac number, because 2658339 - 2⁴ = 2658323 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2554 + ... + 3440.

2^2658339 is an apocalyptic number.

2658339 is a deficient number, since it is larger than the sum of its proper divisors (1424685).

2658339 is an equidigital number, since it uses as much as digits as its factorization.

2658339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 927 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2658339 is about 1630.4413512911. The cubic root of 2658339 is about 138.5277523051.

The spelling of 2658339 in words is "two million, six hundred fifty-eight thousand, three hundred thirty-nine".