28823925 has 96 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 12718080.

The previous prime is 28823909. The next prime is 28823933. The reversal of 28823925 is 52932882.

It is not a de Polignac number, because 28823925 - 2⁴ = 28823909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 613252 + ... + 613298.

It is an arithmetic number, because the mean of its divisors is an integer number (593712).

Almost surely, 2^28823925 is an apocalyptic number.

28823925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28823925 is a deficient number, since it is larger than the sum of its proper divisors (28172427).

28823925 is a wasteful number, since it uses less digits than its factorization.

28823925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 122 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 28823925 is about 5368.7917635163. The cubic root of 28823925 is about 306.6086288772.

The spelling of 28823925 in words is "twenty-eight million, eight hundred twenty-three thousand, nine hundred twenty-five".