1888925 has 6 divisors (see below), whose sum is σ = 2342298. Its totient is φ = 1511120.

The previous prime is 1888919. The next prime is 1888927. The reversal of 1888925 is 5298881.

It can be written as a sum of positive squares in 3 ways, for example, as 395641 + 1493284 = 629^2 + 1222^2 .

It is not a de Polignac number, because 1888925 - 2¹² = 1884829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1888927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37754 + ... + 37803.

It is an arithmetic number, because the mean of its divisors is an integer number (390383).

2^1888925 is an apocalyptic number.

It is an amenable number.

1888925 is a deficient number, since it is larger than the sum of its proper divisors (453373).

1888925 is an equidigital number, since it uses as much as digits as its factorization.

1888925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75567 (or 75562 counting only the distinct ones).

The product of its digits is 46080, while the sum is 41.

The square root of 1888925 is about 1374.3816791561. The cubic root of 1888925 is about 123.6151133755.

The spelling of 1888925 in words is "one million, eight hundred eighty-eight thousand, nine hundred twenty-five".