3857625 has 48 divisors (see below), whose sum is σ = 7268352. Its totient is φ = 2041200.

The previous prime is 3857621. The next prime is 3857641. The reversal of 3857625 is 5267583.

It is not a de Polignac number, because 3857625 - 2² = 3857621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3857625.

It is not an unprimeable number, because it can be changed into a prime (3857621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30312 + ... + 30438.

It is an arithmetic number, because the mean of its divisors is an integer number (151424).

Almost surely, 2^3857625 is an apocalyptic number.

It is an amenable number.

3857625 is a deficient number, since it is larger than the sum of its proper divisors (3410727).

3857625 is an equidigital number, since it uses as much as digits as its factorization.

3857625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 135 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 3857625 is about 1964.0837558516. The cubic root of 3857625 is about 156.8339217746.

The spelling of 3857625 in words is "three million, eight hundred fifty-seven thousand, six hundred twenty-five".