425008998 has 64 divisors (see below), whose sum is σ = 962150400. Its totient is φ = 139043520.

The previous prime is 425008957. The next prime is 425008999. The reversal of 425008998 is 899800524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425008999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917715 + ... + 918177.

It is an arithmetic number, because the mean of its divisors is an integer number (15033600).

Almost surely, 2^425008998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425008998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481075200).

425008998 is an abundant number, since it is smaller than the sum of its proper divisors (537141402).

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

425008998 is a wasteful number, since it uses less digits than its factorization.

425008998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 425008998 is about 20615.7463604886. The cubic root of 425008998 is about 751.8526040431.

The spelling of 425008998 in words is "four hundred twenty-five million, eight thousand, nine hundred ninety-eight".