28963300 has 36 divisors (see below), whose sum is σ = 64884736. Its totient is φ = 11210400.

The previous prime is 28963271. The next prime is 28963303. The reversal of 28963300 is 336982.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (28963303) 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, 1572 + ... + 7771.

Almost surely, 2^28963300 is an apocalyptic number.

28963300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28963300 is an abundant number, since it is smaller than the sum of its proper divisors (35921436).

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

28963300 is a wasteful number, since it uses less digits than its factorization.

28963300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9388 (or 9381 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 28963300 is about 5381.7562189308. The cubic root of 28963300 is about 307.1020255283.

The spelling of 28963300 in words is "twenty-eight million, nine hundred sixty-three thousand, three hundred".