28614768 has 80 divisors (see below), whose sum is σ = 90994176. Its totient is φ = 7545600.

The previous prime is 28614763. The next prime is 28614811. The reversal of 28614768 is 86741682.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 (28614763) 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, 1093 + ... + 7643.

Almost surely, 2^28614768 is an apocalyptic number.

28614768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28614768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45497088).

28614768 is an abundant number, since it is smaller than the sum of its proper divisors (62379408).

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

28614768 is a wasteful number, since it uses less digits than its factorization.

28614768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582 (or 6576 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 28614768 is about 5349.2773343696. The cubic root of 28614768 is about 305.8652061278.

The spelling of 28614768 in words is "twenty-eight million, six hundred fourteen thousand, seven hundred sixty-eight".