26430085 has 16 divisors (see below), whose sum is σ = 34699392. Its totient is φ = 19166400.

The previous prime is 26430077. The next prime is 26430091. The reversal of 26430085 is 58003462.

26430085 is a nontrivial binomial coefficient, being equal to C(7271, 2).

It is not a de Polignac number, because 26430085 - 2³ = 26430077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 35992 + ... + 36718.

It is an arithmetic number, because the mean of its divisors is an integer number (2168712).

Almost surely, 2^26430085 is an apocalyptic number.

26430085 is the 7270-th triangular number.

26430085 is the 2424-th centered nonagonal number.

It is an amenable number.

26430085 is a deficient number, since it is larger than the sum of its proper divisors (8269307).

26430085 is a wasteful number, since it uses less digits than its factorization.

26430085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 26430085 is about 5141.0198404597. The cubic root of 26430085 is about 297.8741755190.

The spelling of 26430085 in words is "twenty-six million, four hundred thirty thousand, eighty-five".