2903239 has 4 divisors (see below), whose sum is σ = 2906824. Its totient is φ = 2899656.

The previous prime is 2903227. The next prime is 2903249. The reversal of 2903239 is 9323092.

It is a happy number.

2903239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2903239 - 2⁵ = 2903207 is a prime.

It is a super-2 number, since 2×2903239² = 16857593382242, which contains 22 as substring.

It is a Duffinian number.

2903239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2903249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64 + ... + 2410.

It is an arithmetic number, because the mean of its divisors is an integer number (726706).

2^2903239 is an apocalyptic number.

2903239 is a deficient number, since it is larger than the sum of its proper divisors (3585).

2903239 is a wasteful number, since it uses less digits than its factorization.

2903239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 2903239 is about 1703.8893743433. The cubic root of 2903239 is about 142.6573863831.

The spelling of 2903239 in words is "two million, nine hundred three thousand, two hundred thirty-nine".