28258395 has 16 divisors (see below), whose sum is σ = 49324032. Its totient is φ = 13700960.

The previous prime is 28258387. The next prime is 28258409. The reversal of 28258395 is 59385282.

It is not a de Polignac number, because 28258395 - 2³ = 28258387 is a prime.

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, 85467 + ... + 85796.

It is an arithmetic number, because the mean of its divisors is an integer number (3082752).

Almost surely, 2^28258395 is an apocalyptic number.

28258395 is a deficient number, since it is larger than the sum of its proper divisors (21065637).

28258395 is a wasteful number, since it uses less digits than its factorization.

28258395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171282.

The product of its digits is 172800, while the sum is 42.

The square root of 28258395 is about 5315.8625828740. The cubic root of 28258395 is about 304.5901329646.

The spelling of 28258395 in words is "twenty-eight million, two hundred fifty-eight thousand, three hundred ninety-five".