3865072 has 10 divisors (see below), whose sum is σ = 7488608. Its totient is φ = 1932528.

The previous prime is 3865063. The next prime is 3865079. The reversal of 3865072 is 2705683.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120768 + ... + 120799.

Almost surely, 2^3865072 is an apocalyptic number.

It is an amenable number.

3865072 is a deficient number, since it is larger than the sum of its proper divisors (3623536).

3865072 is a wasteful number, since it uses less digits than its factorization.

3865072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241575 (or 241569 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3865072 is about 1965.9786367100. The cubic root of 3865072 is about 156.9347775658.

The spelling of 3865072 in words is "three million, eight hundred sixty-five thousand, seventy-two".