28354512 has 20 divisors (see below), whose sum is σ = 73249280. Its totient is φ = 9451488.

The previous prime is 28354507. The next prime is 28354519. The reversal of 28354512 is 21545382.

It is a self number, because there is not a number n which added to its sum of digits gives 28354512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28354519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295312 + ... + 295407.

It is an arithmetic number, because the mean of its divisors is an integer number (3662464).

Almost surely, 2^28354512 is an apocalyptic number.

It is an amenable number.

28354512 is an abundant number, since it is smaller than the sum of its proper divisors (44894768).

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

28354512 is a wasteful number, since it uses less digits than its factorization.

28354512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590730 (or 590724 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 28354512 is about 5324.8954919322. The cubic root of 28354512 is about 304.9350824839.

Adding to 28354512 its reverse (21545382), we get a palindrome (49899894).

The spelling of 28354512 in words is "twenty-eight million, three hundred fifty-four thousand, five hundred twelve".