28726495 has 12 divisors (see below), whose sum is σ = 40100184. Its totient is φ = 19698000.

The previous prime is 28726493. The next prime is 28726507. The reversal of 28726495 is 59462782.

It is not a de Polignac number, because 28726495 - 2¹ = 28726493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28726493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58381 + ... + 58870.

It is an arithmetic number, because the mean of its divisors is an integer number (3341682).

Almost surely, 2^28726495 is an apocalyptic number.

28726495 is a deficient number, since it is larger than the sum of its proper divisors (11373689).

28726495 is a wasteful number, since it uses less digits than its factorization.

28726495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117270 (or 117263 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 28726495 is about 5359.7103466512. The cubic root of 28726495 is about 306.2627749773.

The spelling of 28726495 in words is "twenty-eight million, seven hundred twenty-six thousand, four hundred ninety-five".