26942091 has 8 divisors (see below), whose sum is σ = 39188544. Its totient is φ = 16328520.

The previous prime is 26942087. The next prime is 26942099. The reversal of 26942091 is 19024962.

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

It is not a de Polignac number, because 26942091 - 2² = 26942087 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 816427 = 26942091 / (2 + 6 + 9 + 4 + 2 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (26942099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408181 + ... + 408246.

It is an arithmetic number, because the mean of its divisors is an integer number (4898568).

Almost surely, 2^26942091 is an apocalyptic number.

26942091 is a deficient number, since it is larger than the sum of its proper divisors (12246453).

26942091 is a wasteful number, since it uses less digits than its factorization.

26942091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816441.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 26942091 is about 5190.5771355409. The cubic root of 26942091 is about 299.7853687035.

The spelling of 26942091 in words is "twenty-six million, nine hundred forty-two thousand, ninety-one".