3868239 has 8 divisors (see below), whose sum is σ = 5297200. Its totient is φ = 2509056.

The previous prime is 3868219. The next prime is 3868243. The reversal of 3868239 is 9328683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3868239 - 2²¹ = 1771087 is a prime.

It is a super-2 number, since 2×3868239² = 29926545922242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3868197 and 3868206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868219) 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, 17314 + ... + 17535.

It is an arithmetic number, because the mean of its divisors is an integer number (662150).

Almost surely, 2^3868239 is an apocalyptic number.

3868239 is a deficient number, since it is larger than the sum of its proper divisors (1428961).

3868239 is a wasteful number, since it uses less digits than its factorization.

3868239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34889.

The product of its digits is 62208, while the sum is 39.

The square root of 3868239 is about 1966.7839230581. The cubic root of 3868239 is about 156.9776294414.

The spelling of 3868239 in words is "three million, eight hundred sixty-eight thousand, two hundred thirty-nine".