28714368 has 128 divisors (see below), whose sum is σ = 81861120. Its totient is φ = 8902656.

The previous prime is 28714363. The next prime is 28714397. The reversal of 28714368 is 86341782.

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

It is a super-3 number, since 3×28714368³ (a number of 23 digits) contains 333 as substring.

Its product of digits (64512) is a multiple of the sum of its prime factors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28714363) 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, 610921 + ... + 610967.

It is an arithmetic number, because the mean of its divisors is an integer number (639540).

Almost surely, 2^28714368 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 28714368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40930560).

28714368 is an abundant number, since it is smaller than the sum of its proper divisors (53146752).

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

28714368 is a wasteful number, since it uses less digits than its factorization.

28714368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 132 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 28714368 is about 5358.5789160933. The cubic root of 28714368 is about 306.2196722432.

The spelling of 28714368 in words is "twenty-eight million, seven hundred fourteen thousand, three hundred sixty-eight".