332000028 has 72 divisors (see below), whose sum is σ = 858574080. Its totient is φ = 108145440.

The previous prime is 332000027. The next prime is 332000051. The reversal of 332000028 is 820000233.

It is a super-2 number, since 2×332000028² = 220448037184001568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332000027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303763 + ... + 304853.

It is an arithmetic number, because the mean of its divisors is an integer number (11924640).

Almost surely, 2^332000028 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 332000028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429287040).

332000028 is an abundant number, since it is smaller than the sum of its proper divisors (526574052).

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

332000028 is a wasteful number, since it uses less digits than its factorization.

332000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 332000028 is about 18220.8679266384. The cubic root of 332000028 is about 692.4355767288.

The spelling of 332000028 in words is "three hundred thirty-two million, twenty-eight", and thus it is an aban number.