3698125 has 20 divisors (see below), whose sum is σ = 4745356. Its totient is φ = 2880000.

The previous prime is 3698119. The next prime is 3698131. The reversal of 3698125 is 5218963.

It is an interprime number because it is at equal distance from previous prime (3698119) and next prime (3698131).

It can be written as a sum of positive squares in 10 ways, for example, as 3587236 + 110889 = 1894^2 + 333^2 .

It is not a de Polignac number, because 3698125 - 2³ = 3698117 is a prime.

It is a super-2 number, since 2×3698125² = 27352257031250, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38077 + ... + 38173.

Almost surely, 2^3698125 is an apocalyptic number.

It is an amenable number.

3698125 is a deficient number, since it is larger than the sum of its proper divisors (1047231).

3698125 is an frugal number, since it uses more digits than its factorization.

3698125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 163 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 3698125 is about 1923.0509613632. The cubic root of 3698125 is about 154.6419066051.

The spelling of 3698125 in words is "three million, six hundred ninety-eight thousand, one hundred twenty-five".