28049042 has 16 divisors (see below), whose sum is σ = 48268032. Its totient is φ = 11975040.

The previous prime is 28049039. The next prime is 28049053. The reversal of 28049042 is 24094082.

It is a junction number, because it is equal to n+sod(n) for n = 28048996 and 28049014.

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, 98 + ... + 7490.

It is an arithmetic number, because the mean of its divisors is an integer number (3016752).

Almost surely, 2^28049042 is an apocalyptic number.

28049042 is a deficient number, since it is larger than the sum of its proper divisors (20218990).

28049042 is a wasteful number, since it uses less digits than its factorization.

28049042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28049042 is about 5296.1346281982. The cubic root of 28049042 is about 303.8360799687.

The spelling of 28049042 in words is "twenty-eight million, forty-nine thousand, forty-two".