28763960 has 32 divisors (see below), whose sum is σ = 66301200. Its totient is φ = 11224320.

The previous prime is 28763951. The next prime is 28763989. The reversal of 28763960 is 6936782.

It is a Smith number, since the sum of its digits (41) 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 (41).

It is a congruent number.

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, 7130 + ... + 10409.

Almost surely, 2^28763960 is an apocalyptic number.

28763960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28763960 is an abundant number, since it is smaller than the sum of its proper divisors (37537240).

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

28763960 is a wasteful number, since it uses less digits than its factorization.

28763960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591 (or 17587 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 28763960 is about 5363.2042661081. The cubic root of 28763960 is about 306.3958594382.

The spelling of 28763960 in words is "twenty-eight million, seven hundred sixty-three thousand, nine hundred sixty".