28790548 has 12 divisors (see below), whose sum is σ = 53035360. Its totient is φ = 13637592.

The previous prime is 28790513. The next prime is 28790557. The reversal of 28790548 is 84509782.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 189336 + ... + 189487.

Almost surely, 2^28790548 is an apocalyptic number.

It is an amenable number.

28790548 is a deficient number, since it is larger than the sum of its proper divisors (24244812).

28790548 is a wasteful number, since it uses less digits than its factorization.

28790548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378846 (or 378844 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 28790548 is about 5365.6824356274. The cubic root of 28790548 is about 306.4902361552.

The spelling of 28790548 in words is "twenty-eight million, seven hundred ninety thousand, five hundred forty-eight".