3860439 has 32 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 2152800.

The previous prime is 3860431. The next prime is 3860471. The reversal of 3860439 is 9340683.

It is not a de Polignac number, because 3860439 - 2³ = 3860431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

3860439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29404 + ... + 29534.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

Almost surely, 2^3860439 is an apocalyptic number.

3860439 is a deficient number, since it is larger than the sum of its proper divisors (2222121).

3860439 is a wasteful number, since it uses less digits than its factorization.

3860439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3860439 is about 1964.7999898208. The cubic root of 3860439 is about 156.8720474252.

The spelling of 3860439 in words is "three million, eight hundred sixty thousand, four hundred thirty-nine".