3898125 has 100 divisors (see below), whose sum is σ = 9072096. Its totient is φ = 1620000.

The previous prime is 3898123. The next prime is 3898163. The reversal of 3898125 is 5218983.

It is not a de Polignac number, because 3898125 - 2¹ = 3898123 is a prime.

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

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 3898125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898123) by changing a digit.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 354370 + ... + 354380.

Almost surely, 2^3898125 is an apocalyptic number.

3898125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3898125 is an abundant number, since it is smaller than the sum of its proper divisors (5173971).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3898125 is an equidigital number, since it uses as much as digits as its factorization.

3898125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 26 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 3898125 is about 1974.3669871632. The cubic root of 3898125 is about 157.3808622843.

The spelling of 3898125 in words is "three million, eight hundred ninety-eight thousand, one hundred twenty-five".