26942399 has 16 divisors (see below), whose sum is σ = 32762880. Its totient is φ = 21836160.

The previous prime is 26942389. The next prime is 26942417. The reversal of 26942399 is 99324962.

It is not a de Polignac number, because 26942399 - 2⁸ = 26942143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26942339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239 + ... + 7344.

It is an arithmetic number, because the mean of its divisors is an integer number (2047680).

Almost surely, 2^26942399 is an apocalyptic number.

26942399 is a deficient number, since it is larger than the sum of its proper divisors (5820481).

26942399 is a wasteful number, since it uses less digits than its factorization.

26942399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630.

The product of its digits is 209952, while the sum is 44.

The square root of 26942399 is about 5190.6068046039. The cubic root of 26942399 is about 299.7865110739.

The spelling of 26942399 in words is "twenty-six million, nine hundred forty-two thousand, three hundred ninety-nine".