3860725 has 24 divisors (see below), whose sum is σ = 5312160. Its totient is φ = 2760000.

The previous prime is 3860723. The next prime is 3860729. The reversal of 3860725 is 5270683.

3860725 = 253² + 254² + ... + 302².

It is not a de Polignac number, because 3860725 - 2¹ = 3860723 is a prime.

3860725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860723) 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, 27706 + ... + 27844.

It is an arithmetic number, because the mean of its divisors is an integer number (221340).

Almost surely, 2^3860725 is an apocalyptic number.

It is an amenable number.

3860725 is a deficient number, since it is larger than the sum of its proper divisors (1451435).

3860725 is a wasteful number, since it uses less digits than its factorization.

3860725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 256 counting only the distinct ones).

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

The square root of 3860725 is about 1964.8727694179. The cubic root of 3860725 is about 156.8759212763.

The spelling of 3860725 in words is "three million, eight hundred sixty thousand, seven hundred twenty-five".