1898325 has 72 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 835200.

The previous prime is 1898317. The next prime is 1898353. The reversal of 1898325 is 5238981.

It is not a de Polignac number, because 1898325 - 2³ = 1898317 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 1898325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 32146 + ... + 32204.

It is an arithmetic number, because the mean of its divisors is an integer number (56420).

2^1898325 is an apocalyptic number.

1898325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1898325 is an abundant number, since it is smaller than the sum of its proper divisors (2163915).

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

1898325 is a wasteful number, since it uses less digits than its factorization.

1898325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 91 counting only the distinct ones).

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

The square root of 1898325 is about 1377.7971548817. The cubic root of 1898325 is about 123.8198259132.

The spelling of 1898325 in words is "one million, eight hundred ninety-eight thousand, three hundred twenty-five".