425390238 has 96 divisors (see below), whose sum is σ = 1170028800. Its totient is φ = 112173984.

The previous prime is 425390227. The next prime is 425390257. The reversal of 425390238 is 832093524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60553 + ... + 67211.

It is an arithmetic number, because the mean of its divisors is an integer number (12187800).

Almost surely, 2^425390238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425390238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585014400).

425390238 is an abundant number, since it is smaller than the sum of its proper divisors (744638562).

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

425390238 is a wasteful number, since it uses less digits than its factorization.

425390238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703 (or 6684 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 425390238 is about 20624.9906181797. The cubic root of 425390238 is about 752.0773448721.

The spelling of 425390238 in words is "four hundred twenty-five million, three hundred ninety thousand, two hundred thirty-eight".