28837042 has 8 divisors (see below), whose sum is σ = 46582956. Its totient is φ = 13309392.

The previous prime is 28837031. The next prime is 28837073. The reversal of 28837042 is 24073882.

It can be written as a sum of positive squares in 2 ways, for example, as 28740321 + 96721 = 5361^2 + 311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28836989 and 28837007.

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, 554533 + ... + 554584.

Almost surely, 2^28837042 is an apocalyptic number.

28837042 is a deficient number, since it is larger than the sum of its proper divisors (17745914).

28837042 is a wasteful number, since it uses less digits than its factorization.

28837042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109132.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 28837042 is about 5370.0132215852. The cubic root of 28837042 is about 306.6551316287.

The spelling of 28837042 in words is "twenty-eight million, eight hundred thirty-seven thousand, forty-two".