28790853 has 32 divisors (see below), whose sum is σ = 47609856. Its totient is φ = 15069888.

The previous prime is 28790851. The next prime is 28790857. The reversal of 28790853 is 35809782.

It is not a de Polignac number, because 28790853 - 2¹ = 28790851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28790851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44176 + ... + 44822.

It is an arithmetic number, because the mean of its divisors is an integer number (1487808).

Almost surely, 2^28790853 is an apocalyptic number.

It is an amenable number.

28790853 is a deficient number, since it is larger than the sum of its proper divisors (18819003).

28790853 is a wasteful number, since it uses less digits than its factorization.

28790853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 28790853 is about 5365.7108569136. The cubic root of 28790853 is about 306.4913184455.

The spelling of 28790853 in words is "twenty-eight million, seven hundred ninety thousand, eight hundred fifty-three".