3698825 has 24 divisors (see below), whose sum is σ = 5208000. Its totient is φ = 2583360.

The previous prime is 3698819. The next prime is 3698831. The reversal of 3698825 is 5288963.

It is an interprime number because it is at equal distance from previous prime (3698819) and next prime (3698831).

It is not a de Polignac number, because 3698825 - 2¹⁸ = 3436681 is a prime.

It is a d-powerful number, because it can be written as 3³ + 6⁸ + 9 + 8³ + 8⁵ + 2¹⁵ + 5⁹ .

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, 5876 + ... + 6474.

It is an arithmetic number, because the mean of its divisors is an integer number (217000).

Almost surely, 2^3698825 is an apocalyptic number.

It is an amenable number.

3698825 is a deficient number, since it is larger than the sum of its proper divisors (1509175).

3698825 is a wasteful number, since it uses less digits than its factorization.

3698825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 636 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 3698825 is about 1923.2329552085. The cubic root of 3698825 is about 154.6516631263.

The spelling of 3698825 in words is "three million, six hundred ninety-eight thousand, eight hundred twenty-five".