3856525 has 24 divisors (see below), whose sum is σ = 5267520. Its totient is φ = 2787840.

The previous prime is 3856519. The next prime is 3856537. The reversal of 3856525 is 5256583.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3856525 is a prime.

It is an alternating number because its digits alternate between odd and even.

Its product of digits (36000) is a multiple of the sum of its prime divisors (400).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10749 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (219480).

Almost surely, 2^3856525 is an apocalyptic number.

It is an amenable number.

3856525 is a deficient number, since it is larger than the sum of its proper divisors (1410995).

3856525 is a wasteful number, since it uses less digits than its factorization.

3856525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 400 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 3856525 is about 1963.8037070950. The cubic root of 3856525 is about 156.8190133172.

The spelling of 3856525 in words is "three million, eight hundred fifty-six thousand, five hundred twenty-five".