28756350 has 192 divisors, whose sum is σ = 96422400. Its totient is φ = 6151680.

The previous prime is 28756327. The next prime is 28756391. The reversal of 28756350 is 5365782.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160561 + ... + 160739.

It is an arithmetic number, because the mean of its divisors is an integer number (502200).

Almost surely, 2^28756350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28756350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48211200).

28756350 is an abundant number, since it is smaller than the sum of its proper divisors (67666050).

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

28756350 is a wasteful number, since it uses less digits than its factorization.

28756350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 28756350 is about 5362.4947552422. The cubic root of 28756350 is about 306.3688362913.

The spelling of 28756350 in words is "twenty-eight million, seven hundred fifty-six thousand, three hundred fifty".