1789425 has 48 divisors (see below), whose sum is σ = 3600960. Its totient is φ = 864000.

The previous prime is 1789399. The next prime is 1789427. The reversal of 1789425 is 5249871.

It is not a de Polignac number, because 1789425 - 2⁸ = 1789169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1789425.

It is not an unprimeable number, because it can be changed into a prime (1789427) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 7305 + ... + 7545.

It is an arithmetic number, because the mean of its divisors is an integer number (75020).

2^1789425 is an apocalyptic number.

1789425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1789425 is an abundant number, since it is smaller than the sum of its proper divisors (1811535).

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

1789425 is a wasteful number, since it uses less digits than its factorization.

1789425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 260 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1789425 is about 1337.6939111770. The cubic root of 1789425 is about 121.4053522913.

The spelling of 1789425 in words is "one million, seven hundred eighty-nine thousand, four hundred twenty-five".