26994009 has 8 divisors (see below), whose sum is σ = 41133760. Its totient is φ = 15425136.

The previous prime is 26993969. The next prime is 26994017. The reversal of 26994009 is 90049962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26994009 - 2²³ = 18605401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26994029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642694 + ... + 642735.

It is an arithmetic number, because the mean of its divisors is an integer number (5141720).

Almost surely, 2^26994009 is an apocalyptic number.

It is an amenable number.

26994009 is a deficient number, since it is larger than the sum of its proper divisors (14139751).

26994009 is a wasteful number, since it uses less digits than its factorization.

26994009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285439.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 26994009 is about 5195.5759064804. The cubic root of 26994009 is about 299.9778094698.

The spelling of 26994009 in words is "twenty-six million, nine hundred ninety-four thousand, nine".