28046736 has 200 divisors, whose sum is σ = 91824480. Its totient is φ = 8211456.

The previous prime is 28046731. The next prime is 28046737. The reversal of 28046736 is 63764082.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28046736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28046731) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 418575 + ... + 418641.

Almost surely, 2^28046736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28046736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45912240).

28046736 is an abundant number, since it is smaller than the sum of its proper divisors (63777744).

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

28046736 is a wasteful number, since it uses less digits than its factorization.

28046736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 108 counting only the distinct ones).

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

The square root of 28046736 is about 5295.9169177773. The cubic root of 28046736 is about 303.8277533005.

It can be divided in two parts, 28046 and 736, that added together give a palindrome (28782).

The spelling of 28046736 in words is "twenty-eight million, forty-six thousand, seven hundred thirty-six".