28714312 has 32 divisors (see below), whose sum is σ = 58992480. Its totient is φ = 12994560.

The previous prime is 28714303. The next prime is 28714333. The reversal of 28714312 is 21341782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24328 + ... + 25480.

It is an arithmetic number, because the mean of its divisors is an integer number (1843515).

Almost surely, 2^28714312 is an apocalyptic number.

28714312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28714312 is an abundant number, since it is smaller than the sum of its proper divisors (30278168).

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

28714312 is a wasteful number, since it uses less digits than its factorization.

28714312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1449 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 28714312 is about 5358.5736908248. The cubic root of 28714312 is about 306.2194731754.

The spelling of 28714312 in words is "twenty-eight million, seven hundred fourteen thousand, three hundred twelve".