28932300 has 216 divisors, whose sum is σ = 100743552. Its totient is φ = 6912000.

The previous prime is 28932263. The next prime is 28932301. The reversal of 28932300 is 323982.

It is not an unprimeable number, because it can be changed into a prime (28932301) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 474270 + ... + 474330.

Almost surely, 2^28932300 is an apocalyptic number.

28932300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

28932300 is the 4392-nd pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28932300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50371776).

28932300 is an abundant number, since it is smaller than the sum of its proper divisors (71811252).

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

28932300 is a wasteful number, since it uses less digits than its factorization.

28932300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 28932300 is about 5378.8753471335. The cubic root of 28932300 is about 306.9924205990.

The spelling of 28932300 in words is "twenty-eight million, nine hundred thirty-two thousand, three hundred".