26102939 has 4 divisors (see below), whose sum is σ = 27638424. Its totient is φ = 24567456.

The previous prime is 26102927. The next prime is 26102959. The reversal of 26102939 is 93920162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26102939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26102959) 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 3 ways as a sum of consecutive naturals, for example, 767717 + ... + 767750.

It is an arithmetic number, because the mean of its divisors is an integer number (6909606).

Almost surely, 2^26102939 is an apocalyptic number.

26102939 is a deficient number, since it is larger than the sum of its proper divisors (1535485).

26102939 is a wasteful number, since it uses less digits than its factorization.

26102939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535484.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 26102939 is about 5109.1035417184. The cubic root of 26102939 is about 296.6400617194.

The spelling of 26102939 in words is "twenty-six million, one hundred two thousand, nine hundred thirty-nine".