28756102 has 8 divisors (see below), whose sum is σ = 43474176. Its totient is φ = 14264712.

The previous prime is 28756099. The next prime is 28756103. The reversal of 28756102 is 20165782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28756103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56353 + ... + 56860.

It is an arithmetic number, because the mean of its divisors is an integer number (5434272).

Almost surely, 2^28756102 is an apocalyptic number.

28756102 is a deficient number, since it is larger than the sum of its proper divisors (14718074).

28756102 is a wasteful number, since it uses less digits than its factorization.

28756102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113342.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 28756102 is about 5362.4716316266. The cubic root of 28756102 is about 306.3679555619.

The spelling of 28756102 in words is "twenty-eight million, seven hundred fifty-six thousand, one hundred two".