28480895 has 8 divisors (see below), whose sum is σ = 34282320. Its totient is φ = 22714560.

The previous prime is 28480883. The next prime is 28480897. The reversal of 28480895 is 59808482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-28480895 is a prime.

It is a super-2 number, since 2×28480895² = 1622322760002050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480897) 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, 6950 + ... + 10259.

It is an arithmetic number, because the mean of its divisors is an integer number (4285290).

Almost surely, 2^28480895 is an apocalyptic number.

28480895 is a deficient number, since it is larger than the sum of its proper divisors (5801425).

28480895 is a wasteful number, since it uses less digits than its factorization.

28480895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17545.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 28480895 is about 5336.7494788495. The cubic root of 28480895 is about 305.3874677836.

The spelling of 28480895 in words is "twenty-eight million, four hundred eighty thousand, eight hundred ninety-five".