3864345 has 24 divisors (see below), whose sum is σ = 6476736. Its totient is φ = 1967328.

The previous prime is 3864331. The next prime is 3864347. The reversal of 3864345 is 5434683.

It is not a de Polignac number, because 3864345 - 2⁵ = 3864313 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁸ + 8³ + 6⁶ + 4⁵ + 3¹³ + 4⁹ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (3864347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7692 + ... + 8178.

It is an arithmetic number, because the mean of its divisors is an integer number (269864).

Almost surely, 2^3864345 is an apocalyptic number.

It is an amenable number.

3864345 is a deficient number, since it is larger than the sum of its proper divisors (2612391).

3864345 is a wasteful number, since it uses less digits than its factorization.

3864345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 518 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 3864345 is about 1965.7937328214. The cubic root of 3864345 is about 156.9249374096.

The spelling of 3864345 in words is "three million, eight hundred sixty-four thousand, three hundred forty-five".