1898925 has 24 divisors (see below), whose sum is σ = 3589056. Its totient is φ = 867840.

The previous prime is 1898921. The next prime is 1898959. The reversal of 1898925 is 5298981.

It is a happy number.

It is not a de Polignac number, because 1898925 - 2² = 1898921 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1284 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (149544).

2^1898925 is an apocalyptic number.

1898925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1898925 is a deficient number, since it is larger than the sum of its proper divisors (1690131).

1898925 is a wasteful number, since it uses less digits than its factorization.

1898925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637 (or 3632 counting only the distinct ones).

The product of its digits is 51840, while the sum is 42.

The square root of 1898925 is about 1378.0148765525. The cubic root of 1898925 is about 123.8328697053.

The spelling of 1898925 in words is "one million, eight hundred ninety-eight thousand, nine hundred twenty-five".