428672300 has 144 divisors (see below), whose sum is σ = 1131594240. Its totient is φ = 137687040.

The previous prime is 428672267. The next prime is 428672311. The reversal of 428672300 is 3276824.

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, 2221004 + ... + 2221196.

Almost surely, 2^428672300 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 428672300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565797120).

428672300 is an abundant number, since it is smaller than the sum of its proper divisors (702921940).

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

428672300 is a wasteful number, since it uses less digits than its factorization.

428672300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 428672300 is about 20704.4029133902. The cubic root of 428672300 is about 754.0065878544.

The spelling of 428672300 in words is "four hundred twenty-eight million, six hundred seventy-two thousand, three hundred".