28714580 has 24 divisors (see below), whose sum is σ = 62923392. Its totient is φ = 10986272.

The previous prime is 28714571. The next prime is 28714589. The reversal of 28714580 is 8541782.

It is an interprime number because it is at equal distance from previous prime (28714571) and next prime (28714589).

It is a self number, because there is not a number n which added to its sum of digits gives 28714580.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28714589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30752 + ... + 31671.

It is an arithmetic number, because the mean of its divisors is an integer number (2621808).

Almost surely, 2^28714580 is an apocalyptic number.

28714580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28714580 is an abundant number, since it is smaller than the sum of its proper divisors (34208812).

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

28714580 is a wasteful number, since it uses less digits than its factorization.

28714580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62455 (or 62453 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 28714580 is about 5358.5986974208. The cubic root of 28714580 is about 306.2204258544.

The spelling of 28714580 in words is "twenty-eight million, seven hundred fourteen thousand, five hundred eighty".