28738300 has 18 divisors (see below), whose sum is σ = 62362328. Its totient is φ = 11495280.

The previous prime is 28738289. The next prime is 28738301. The reversal of 28738300 is 383782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28738301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143592 + ... + 143791.

Almost surely, 2^28738300 is an apocalyptic number.

28738300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28738300 is an abundant number, since it is smaller than the sum of its proper divisors (33624028).

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

28738300 is a wasteful number, since it uses less digits than its factorization.

28738300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287397 (or 287390 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28738300 is about 5360.8115057331. The cubic root of 28738300 is about 306.3047215835.

The spelling of 28738300 in words is "twenty-eight million, seven hundred thirty-eight thousand, three hundred".