26942539 has 8 divisors (see below), whose sum is σ = 29070720. Its totient is φ = 24822336.

The previous prime is 26942533. The next prime is 26942563. The reversal of 26942539 is 93524962.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26942539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26942533) 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, 6342 + ... + 9700.

It is an arithmetic number, because the mean of its divisors is an integer number (3633840).

Almost surely, 2^26942539 is an apocalyptic number.

26942539 is a deficient number, since it is larger than the sum of its proper divisors (2128181).

26942539 is a wasteful number, since it uses less digits than its factorization.

26942539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989.

The product of its digits is 116640, while the sum is 40.

The square root of 26942539 is about 5190.6202904855. The cubic root of 26942539 is about 299.7870303303.

The spelling of 26942539 in words is "twenty-six million, nine hundred forty-two thousand, five hundred thirty-nine".