28363392 has 128 divisors (see below), whose sum is σ = 86904000. Its totient is φ = 9096192.

The previous prime is 28363381. The next prime is 28363397. The reversal of 28363392 is 29336382.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28363397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100083 + ... + 100365.

Almost surely, 2^28363392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28363392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43452000).

28363392 is an abundant number, since it is smaller than the sum of its proper divisors (58540608).

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

28363392 is a wasteful number, since it uses less digits than its factorization.

28363392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 317 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 28363392 is about 5325.7292458404. The cubic root of 28363392 is about 304.9669121143.

The spelling of 28363392 in words is "twenty-eight million, three hundred sixty-three thousand, three hundred ninety-two".