28850042 has 16 divisors (see below), whose sum is σ = 46735080. Its totient is φ = 13277952.

The previous prime is 28850039. The next prime is 28850051. The reversal of 28850042 is 24005882.

It can be written as a sum of positive squares in 4 ways, for example, as 28847641 + 2401 = 5371^2 + 49^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28849987 and 28850014.

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, 9278 + ... + 11990.

Almost surely, 2^28850042 is an apocalyptic number.

28850042 is a deficient number, since it is larger than the sum of its proper divisors (17885038).

28850042 is a wasteful number, since it uses less digits than its factorization.

28850042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 28850042 is about 5371.2235105235. The cubic root of 28850042 is about 306.7012056771.

The spelling of 28850042 in words is "twenty-eight million, eight hundred fifty thousand, forty-two".