28760442 has 16 divisors (see below), whose sum is σ = 60022080. Its totient is φ = 9169952.

The previous prime is 28760437. The next prime is 28760443. The reversal of 28760442 is 24406782.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (28760443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104067 + ... + 104342.

It is an arithmetic number, because the mean of its divisors is an integer number (3751380).

Almost surely, 2^28760442 is an apocalyptic number.

28760442 is an abundant number, since it is smaller than the sum of its proper divisors (31261638).

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

28760442 is a wasteful number, since it uses less digits than its factorization.

28760442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208437.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 28760442 is about 5362.8762805047. The cubic root of 28760442 is about 306.3833675956.

The spelling of 28760442 in words is "twenty-eight million, seven hundred sixty thousand, four hundred forty-two".