3908439 has 8 divisors (see below), whose sum is σ = 5790320. Its totient is φ = 2605608.

The previous prime is 3908423. The next prime is 3908441. The reversal of 3908439 is 9348093.

It is not a de Polignac number, because 3908439 - 2⁴ = 3908423 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 (3908239) 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, 72352 + ... + 72405.

It is an arithmetic number, because the mean of its divisors is an integer number (723790).

Almost surely, 2^3908439 is an apocalyptic number.

3908439 is a deficient number, since it is larger than the sum of its proper divisors (1881881).

3908439 is a wasteful number, since it uses less digits than its factorization.

3908439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144766 (or 144760 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3908439 is about 1976.9772381087. The cubic root of 3908439 is about 157.5195440600.

The spelling of 3908439 in words is "three million, nine hundred eight thousand, four hundred thirty-nine".