26946009 has 12 divisors (see below), whose sum is σ = 40970800. Its totient is φ = 17018424.

The previous prime is 26946001. The next prime is 26946043. The reversal of 26946009 is 90064962.

It is not a de Polignac number, because 26946009 - 2³ = 26946001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26946001) 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, 78619 + ... + 78960.

Almost surely, 2^26946009 is an apocalyptic number.

It is an amenable number.

26946009 is a deficient number, since it is larger than the sum of its proper divisors (14024791).

26946009 is a wasteful number, since it uses less digits than its factorization.

26946009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157604 (or 157601 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 26946009 is about 5190.9545364990. The cubic root of 26946009 is about 299.7998998962.

The spelling of 26946009 in words is "twenty-six million, nine hundred forty-six thousand, nine".