425189828 has 48 divisors (see below), whose sum is σ = 899902080. Its totient is φ = 171714816.

The previous prime is 425189789. The next prime is 425189861. The reversal of 425189828 is 828981524.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102776 + ... + 106832.

It is an arithmetic number, because the mean of its divisors is an integer number (18747960).

Almost surely, 2^425189828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425189828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (449951040).

425189828 is an abundant number, since it is smaller than the sum of its proper divisors (474712252).

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

425189828 is a wasteful number, since it uses less digits than its factorization.

425189828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4282 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The square root of 425189828 is about 20620.1316193665. The cubic root of 425189828 is about 751.9592200045.

The spelling of 425189828 in words is "four hundred twenty-five million, one hundred eighty-nine thousand, eight hundred twenty-eight".