28836760 has 32 divisors (see below), whose sum is σ = 68700960. Its totient is φ = 10855936.

The previous prime is 28836757. The next prime is 28836761. The reversal of 28836760 is 6763882.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28836761) 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, 20524 + ... + 21883.

It is an arithmetic number, because the mean of its divisors is an integer number (2146905).

Almost surely, 2^28836760 is an apocalyptic number.

28836760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28836760 is an abundant number, since it is smaller than the sum of its proper divisors (39864200).

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

28836760 is a wasteful number, since it uses less digits than its factorization.

28836760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42435 (or 42431 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 28836760 is about 5369.9869646024. The cubic root of 28836760 is about 306.6541320228.

The spelling of 28836760 in words is "twenty-eight million, eight hundred thirty-six thousand, seven hundred sixty".