28938300 has 36 divisors (see below), whose sum is σ = 83729016. Its totient is φ = 7716800.

The previous prime is 28938263. The next prime is 28938307. The reversal of 28938300 is 383982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28938307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47931 + ... + 48530.

It is an arithmetic number, because the mean of its divisors is an integer number (2325806).

Almost surely, 2^28938300 is an apocalyptic number.

28938300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28938300 is an abundant number, since it is smaller than the sum of its proper divisors (54790716).

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

28938300 is a wasteful number, since it uses less digits than its factorization.

28938300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96478 (or 96471 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 28938300 is about 5379.4330556296. The cubic root of 28938300 is about 307.0136405643.

The spelling of 28938300 in words is "twenty-eight million, nine hundred thirty-eight thousand, three hundred".