26458985 has 16 divisors (see below), whose sum is σ = 36381312. Its totient is φ = 18096000.

The previous prime is 26458967. The next prime is 26458997. The reversal of 26458985 is 58985462.

It is not a de Polignac number, because 26458985 - 2²⁴ = 9681769 is a prime.

It is a Duffinian number.

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, 17510 + ... + 18960.

It is an arithmetic number, because the mean of its divisors is an integer number (2273832).

Almost surely, 2^26458985 is an apocalyptic number.

It is an amenable number.

26458985 is a deficient number, since it is larger than the sum of its proper divisors (9922327).

26458985 is a wasteful number, since it uses less digits than its factorization.

26458985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984.

The product of its digits is 691200, while the sum is 47.

The square root of 26458985 is about 5143.8297988950. The cubic root of 26458985 is about 297.9827062318.

The spelling of 26458985 in words is "twenty-six million, four hundred fifty-eight thousand, nine hundred eighty-five".