2439933 has 4 divisors (see below), whose sum is σ = 3253248. Its totient is φ = 1626620.

The previous prime is 2439929. The next prime is 2439953. The reversal of 2439933 is 3399342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2439933 - 2² = 2439929 is a prime.

It is a D-number.

2439933 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2439894 and 2439903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406653 + ... + 406658.

It is an arithmetic number, because the mean of its divisors is an integer number (813312).

2^2439933 is an apocalyptic number.

It is an amenable number.

2439933 is a deficient number, since it is larger than the sum of its proper divisors (813315).

2439933 is an equidigital number, since it uses as much as digits as its factorization.

2439933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813314.

The product of its digits is 17496, while the sum is 33.

The square root of 2439933 is about 1562.0284888567. The cubic root of 2439933 is about 134.6250776987.

The spelling of 2439933 in words is "two million, four hundred thirty-nine thousand, nine hundred thirty-three".