28595280 has 80 divisors (see below), whose sum is σ = 101314944. Its totient is φ = 6535680.

The previous prime is 28595269. The next prime is 28595291. The reversal of 28595280 is 8259582.

It is an interprime number because it is at equal distance from previous prime (28595269) and next prime (28595291).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6831 + ... + 10190.

Almost surely, 2^28595280 is an apocalyptic number.

28595280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28595280 is an abundant number, since it is smaller than the sum of its proper divisors (72719664).

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

28595280 is a wasteful number, since it uses less digits than its factorization.

28595280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17044 (or 17038 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 28595280 is about 5347.4554696603. The cubic root of 28595280 is about 305.7957541718.

The spelling of 28595280 in words is "twenty-eight million, five hundred ninety-five thousand, two hundred eighty".