1825900 has 54 divisors (see below), whose sum is σ = 4309620. Its totient is φ = 669600.

The previous prime is 1825897. The next prime is 1825933. The reversal of 1825900 is 95281.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 17 ways as a sum of consecutive naturals, for example, 58885 + ... + 58915.

2^1825900 is an apocalyptic number.

1825900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1825900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154810).

1825900 is an abundant number, since it is smaller than the sum of its proper divisors (2483720).

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

1825900 is a wasteful number, since it uses less digits than its factorization.

1825900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1825900 is about 1351.2586724976. The cubic root of 1825900 is about 122.2247045716.

The spelling of 1825900 in words is "one million, eight hundred twenty-five thousand, nine hundred".