28773300 has 36 divisors (see below), whose sum is σ = 83251616. Its totient is φ = 7672800.

The previous prime is 28773289. The next prime is 28773313. The reversal of 28773300 is 337782.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47656 + ... + 48255.

Almost surely, 2^28773300 is an apocalyptic number.

28773300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28773300 is an abundant number, since it is smaller than the sum of its proper divisors (54478316).

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

28773300 is a wasteful number, since it uses less digits than its factorization.

28773300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95928 (or 95921 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 28773300 is about 5364.0749435480. The cubic root of 28773300 is about 306.4290193095.

The spelling of 28773300 in words is "twenty-eight million, seven hundred seventy-three thousand, three hundred".