28531795 has 8 divisors (see below), whose sum is σ = 35418960. Its totient is φ = 22038240.

The previous prime is 28531781. The next prime is 28531801. The reversal of 28531795 is 59713582.

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

It is not a de Polignac number, because 28531795 - 2⁷ = 28531667 is a prime.

It is a super-4 number, since 4×28531795⁴ (a number of 31 digits) contains 4444 as substring.

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, 98241 + ... + 98530.

It is an arithmetic number, because the mean of its divisors is an integer number (4427370).

Almost surely, 2^28531795 is an apocalyptic number.

28531795 is a deficient number, since it is larger than the sum of its proper divisors (6887165).

28531795 is a wasteful number, since it uses less digits than its factorization.

28531795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196805.

The product of its digits is 75600, while the sum is 40.

The square root of 28531795 is about 5341.5161705269. The cubic root of 28531795 is about 305.5692852355.

The spelling of 28531795 in words is "twenty-eight million, five hundred thirty-one thousand, seven hundred ninety-five".