3864744 has 48 divisors (see below), whose sum is σ = 11274900. Its totient is φ = 1188864.

The previous prime is 3864719. The next prime is 3864767. The reversal of 3864744 is 4474683.

3864744 is a `hidden beast` number, since 3 + 8 + 647 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3755844 + 108900 = 1938^2 + 330^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3864699 and 3864708.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129 + ... + 3000.

Almost surely, 2^3864744 is an apocalyptic number.

It is an amenable number.

3864744 is an abundant number, since it is smaller than the sum of its proper divisors (7410156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3864744 is a wasteful number, since it uses less digits than its factorization.

3864744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154 (or 4147 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 3864744 is about 1965.8952159258. The cubic root of 3864744 is about 156.9303381433.

The spelling of 3864744 in words is "three million, eight hundred sixty-four thousand, seven hundred forty-four".