28336704 has 56 divisors (see below), whose sum is σ = 81796128. Its totient is φ = 8586240.

The previous prime is 28336691. The next prime is 28336751. The reversal of 28336704 is 40763382.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4597 + ... + 8820.

Almost surely, 2^28336704 is an apocalyptic number.

28336704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28336704 is an abundant number, since it is smaller than the sum of its proper divisors (53459424).

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

28336704 is a wasteful number, since it uses less digits than its factorization.

28336704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443 (or 13433 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 28336704 is about 5323.2230838093. The cubic root of 28336704 is about 304.8712311391.

The spelling of 28336704 in words is "twenty-eight million, three hundred thirty-six thousand, seven hundred four".