425099928 has 32 divisors (see below), whose sum is σ = 1159364160. Its totient is φ = 128818080.

The previous prime is 425099923. The next prime is 425099953. The reversal of 425099928 is 829990524.

It is a happy number.

It is a super-3 number, since 3×425099928³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425099923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804850 + ... + 805377.

It is an arithmetic number, because the mean of its divisors is an integer number (36230130).

Almost surely, 2^425099928 is an apocalyptic number.

It is an amenable number.

425099928 is an abundant number, since it is smaller than the sum of its proper divisors (734264232).

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

425099928 is a wasteful number, since it uses less digits than its factorization.

425099928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610247 (or 1610243 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 425099928 is about 20617.9515956363. The cubic root of 425099928 is about 751.9062194431.

The spelling of 425099928 in words is "four hundred twenty-five million, ninety-nine thousand, nine hundred twenty-eight".