28336146 has 16 divisors (see below), whose sum is σ = 56890944. Its totient is φ = 9408944.

The previous prime is 28336141. The next prime is 28336151. The reversal of 28336146 is 64163382.

It is an interprime number because it is at equal distance from previous prime (28336141) and next prime (28336151).

It is not an unprimeable number, because it can be changed into a prime (28336141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7401 + ... + 10556.

It is an arithmetic number, because the mean of its divisors is an integer number (3555684).

Almost surely, 2^28336146 is an apocalyptic number.

28336146 is an abundant number, since it is smaller than the sum of its proper divisors (28554798).

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

28336146 is a wasteful number, since it uses less digits than its factorization.

28336146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18225.

The product of its digits is 20736, while the sum is 33.

The square root of 28336146 is about 5323.1706716956. The cubic root of 28336146 is about 304.8692299740.

It can be divided in two parts, 28336 and 146, that added together give a palindrome (28482).

The spelling of 28336146 in words is "twenty-eight million, three hundred thirty-six thousand, one hundred forty-six".