28762842 has 32 divisors (see below), whose sum is σ = 59192640. Its totient is φ = 9313920.

The previous prime is 28762837. The next prime is 28762889. The reversal of 28762842 is 24826782.

It is a self number, because there is not a number n which added to its sum of digits gives 28762842.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32133 + ... + 33015.

It is an arithmetic number, because the mean of its divisors is an integer number (1849770).

Almost surely, 2^28762842 is an apocalyptic number.

28762842 is an abundant number, since it is smaller than the sum of its proper divisors (30429798).

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

28762842 is a wasteful number, since it uses less digits than its factorization.

28762842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its digits is 86016, while the sum is 39.

The square root of 28762842 is about 5363.1000363596. The cubic root of 28762842 is about 306.3918897135.

The spelling of 28762842 in words is "twenty-eight million, seven hundred sixty-two thousand, eight hundred forty-two".