28926097 has 4 divisors (see below), whose sum is σ = 29212596. Its totient is φ = 28639600.

The previous prime is 28926077. The next prime is 28926173. The reversal of 28926097 is 79062982.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24910081 + 4016016 = 4991^2 + 2004^2 .

It is a cyclic number.

It is not a de Polignac number, because 28926097 - 2¹⁵ = 28893329 is a prime.

It is a super-3 number, since 3×28926097³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28926067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143098 + ... + 143299.

It is an arithmetic number, because the mean of its divisors is an integer number (7303149).

Almost surely, 2^28926097 is an apocalyptic number.

It is an amenable number.

28926097 is a deficient number, since it is larger than the sum of its proper divisors (286499).

28926097 is a wasteful number, since it uses less digits than its factorization.

28926097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286498.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 28926097 is about 5378.2987086996. The cubic root of 28926097 is about 306.9704796069.

The spelling of 28926097 in words is "twenty-eight million, nine hundred twenty-six thousand, ninety-seven".