28783314 has 48 divisors (see below), whose sum is σ = 73582080. Its totient is φ = 7957440.

The previous prime is 28783301. The next prime is 28783319. The reversal of 28783314 is 41338782.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28783319) 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, 222 + ... + 7590.

It is an arithmetic number, because the mean of its divisors is an integer number (1532960).

Almost surely, 2^28783314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28783314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36791040).

28783314 is an abundant number, since it is smaller than the sum of its proper divisors (44798766).

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

28783314 is a wasteful number, since it uses less digits than its factorization.

28783314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7415 (or 7412 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 28783314 is about 5365.0082944950. The cubic root of 28783314 is about 306.4645641176.

The spelling of 28783314 in words is "twenty-eight million, seven hundred eighty-three thousand, three hundred fourteen".