3698625 has 32 divisors (see below), whose sum is σ = 7038720. Its totient is φ = 1689600.

The previous prime is 3698623. The next prime is 3698647. The reversal of 3698625 is 5268963.

It is not a de Polignac number, because 3698625 - 2¹ = 3698623 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 3¹³ + 6² + 9⁴ + 8³ + 6² + 2²¹ + 5 .

It is not an unprimeable number, because it can be changed into a prime (3698623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1921 + ... + 3329.

It is an arithmetic number, because the mean of its divisors is an integer number (219960).

Almost surely, 2^3698625 is an apocalyptic number.

3698625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3698625 is a deficient number, since it is larger than the sum of its proper divisors (3340095).

3698625 is a wasteful number, since it uses less digits than its factorization.

3698625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1424 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 3698625 is about 1923.1809587244. The cubic root of 3698625 is about 154.6488756744.

The spelling of 3698625 in words is "three million, six hundred ninety-eight thousand, six hundred twenty-five".