3902739 has 16 divisors (see below), whose sum is σ = 5391360. Its totient is φ = 2509760.

The previous prime is 3902713. The next prime is 3902747. The reversal of 3902739 is 9372093.

It is a cyclic number.

It is not a de Polignac number, because 3902739 - 2¹¹ = 3900691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3902779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12394 + ... + 12704.

It is an arithmetic number, because the mean of its divisors is an integer number (336960).

Almost surely, 2^3902739 is an apocalyptic number.

3902739 is a deficient number, since it is larger than the sum of its proper divisors (1488621).

3902739 is a wasteful number, since it uses less digits than its factorization.

3902739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its (nonzero) digits is 10206, while the sum is 33.

The square root of 3902739 is about 1975.5351173796. The cubic root of 3902739 is about 157.4429322097.

The spelling of 3902739 in words is "three million, nine hundred two thousand, seven hundred thirty-nine".