28714392 has 96 divisors (see below), whose sum is σ = 92818800. Its totient is φ = 8201088.

The previous prime is 28714363. The next prime is 28714397. The reversal of 28714392 is 29341782.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28714397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9228 + ... + 11940.

Almost surely, 2^28714392 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 28714392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46409400).

28714392 is an abundant number, since it is smaller than the sum of its proper divisors (64104408).

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

28714392 is a wasteful number, since it uses less digits than its factorization.

28714392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2725 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 28714392 is about 5358.5811554926. The cubic root of 28714392 is about 306.2197575578.

The spelling of 28714392 in words is "twenty-eight million, seven hundred fourteen thousand, three hundred ninety-two".