28416836 has 12 divisors (see below), whose sum is σ = 56833728. Its totient is φ = 12178632.

The previous prime is 28416821. The next prime is 28416859. The reversal of 28416836 is 63861482.

It is a happy number.

28416836 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28416836.

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, 507416 + ... + 507471.

It is an arithmetic number, because the mean of its divisors is an integer number (4736144).

Almost surely, 2^28416836 is an apocalyptic number.

It is an amenable number.

28416836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28416836 is a wasteful number, since it uses less digits than its factorization.

28416836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014898 (or 1014896 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 28416836 is about 5330.7444133066. The cubic root of 28416836 is about 305.1583375661.

The spelling of 28416836 in words is "twenty-eight million, four hundred sixteen thousand, eight hundred thirty-six".