26906089 has 16 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 22191120.

The previous prime is 26906081. The next prime is 26906107. The reversal of 26906089 is 98060962.

It is a happy number.

It is not a de Polignac number, because 26906089 - 2³ = 26906081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26906081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20742 + ... + 22000.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^26906089 is an apocalyptic number.

It is an amenable number.

26906089 is a deficient number, since it is larger than the sum of its proper divisors (5027351).

26906089 is a wasteful number, since it uses less digits than its factorization.

26906089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 26906089 is about 5187.1079610897. The cubic root of 26906089 is about 299.6517774414.

The spelling of 26906089 in words is "twenty-six million, nine hundred six thousand, eighty-nine".