28862823 has 16 divisors (see below), whose sum is σ = 42178176. Its totient is φ = 17411040.

The previous prime is 28862809. The next prime is 28862831. The reversal of 28862823 is 32826882.

It is not a de Polignac number, because 28862823 - 2⁴ = 28862807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28862833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5565 + ... + 9417.

It is an arithmetic number, because the mean of its divisors is an integer number (2636136).

Almost surely, 2^28862823 is an apocalyptic number.

28862823 is a deficient number, since it is larger than the sum of its proper divisors (13315353).

28862823 is a wasteful number, since it uses less digits than its factorization.

28862823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094.

The product of its digits is 73728, while the sum is 39.

The square root of 28862823 is about 5372.4131449471. The cubic root of 28862823 is about 306.7464900640.

The spelling of 28862823 in words is "twenty-eight million, eight hundred sixty-two thousand, eight hundred twenty-three".