28036746 has 32 divisors (see below), whose sum is σ = 62719680. Its totient is φ = 9283248.

The previous prime is 28036733. The next prime is 28036777. The reversal of 28036746 is 64763082.

It is a self number, because there is not a number n which added to its sum of digits gives 28036746.

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, 6825 + ... + 10131.

It is an arithmetic number, because the mean of its divisors is an integer number (1959990).

Almost surely, 2^28036746 is an apocalyptic number.

28036746 is an abundant number, since it is smaller than the sum of its proper divisors (34682934).

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

28036746 is a wasteful number, since it uses less digits than its factorization.

28036746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 28036746 is about 5294.9736543254. The cubic root of 28036746 is about 303.7916754279.

It can be divided in two parts, 28036 and 746, that added together give a palindrome (28782).

The spelling of 28036746 in words is "twenty-eight million, thirty-six thousand, seven hundred forty-six".