28748044 has 12 divisors (see below), whose sum is σ = 54179104. Its totient is φ = 13268304.

The previous prime is 28748039. The next prime is 28748059. The reversal of 28748044 is 44084782.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28747994 and 28748012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276372 + ... + 276475.

Almost surely, 2^28748044 is an apocalyptic number.

It is an amenable number.

28748044 is a deficient number, since it is larger than the sum of its proper divisors (25431060).

28748044 is a wasteful number, since it uses less digits than its factorization.

28748044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552864 (or 552862 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 28748044 is about 5361.7202463389. The cubic root of 28748044 is about 306.3393362029.

The spelling of 28748044 in words is "twenty-eight million, seven hundred forty-eight thousand, forty-four".