3090439 has 4 divisors (see below), whose sum is σ = 3371400. Its totient is φ = 2809480.

The previous prime is 3090431. The next prime is 3090449. The reversal of 3090439 is 9340903.

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 3090439 - 2³ = 3090431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3090431) 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, 140464 + ... + 140485.

It is an arithmetic number, because the mean of its divisors is an integer number (842850).

Almost surely, 2^3090439 is an apocalyptic number.

3090439 is a deficient number, since it is larger than the sum of its proper divisors (280961).

3090439 is a wasteful number, since it uses less digits than its factorization.

3090439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280960.

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

The square root of 3090439 is about 1757.9644478771. The cubic root of 3090439 is about 145.6599171491.

The spelling of 3090439 in words is "three million, ninety thousand, four hundred thirty-nine".