28753044 has 24 divisors (see below), whose sum is σ = 67337088. Its totient is φ = 9549120.

The previous prime is 28753019. The next prime is 28753051. The reversal of 28753044 is 44035782.

It is a junction number, because it is equal to n+sod(n) for n = 28752996 and 28753014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892 + ... + 7635.

It is an arithmetic number, because the mean of its divisors is an integer number (2805712).

Almost surely, 2^28753044 is an apocalyptic number.

It is an amenable number.

28753044 is an abundant number, since it is smaller than the sum of its proper divisors (38584044).

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

28753044 is a wasteful number, since it uses less digits than its factorization.

28753044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815 (or 8813 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 28753044 is about 5362.1864943323. The cubic root of 28753044 is about 306.3570951838.

The spelling of 28753044 in words is "twenty-eight million, seven hundred fifty-three thousand, forty-four".