28714460 has 24 divisors (see below), whose sum is σ = 60411120. Its totient is φ = 11464704.

The previous prime is 28714457. The next prime is 28714487. The reversal of 28714460 is 6441782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14447 + ... + 16313.

It is an arithmetic number, because the mean of its divisors is an integer number (2517130).

Almost surely, 2^28714460 is an apocalyptic number.

28714460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28714460 is an abundant number, since it is smaller than the sum of its proper divisors (31696660).

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

28714460 is a wasteful number, since it uses less digits than its factorization.

28714460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645 (or 2643 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 28714460 is about 5358.5875004520. The cubic root of 28714460 is about 306.2199992825.

The spelling of 28714460 in words is "twenty-eight million, seven hundred fourteen thousand, four hundred sixty".