26313839 has 4 divisors (see below), whose sum is σ = 26514840. Its totient is φ = 26112840.

The previous prime is 26313809. The next prime is 26313851. The reversal of 26313839 is 93831362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93831362 = 2 ⋅46915681.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26313839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26313799 and 26313808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26313809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100304 + ... + 100565.

It is an arithmetic number, because the mean of its divisors is an integer number (6628710).

Almost surely, 2^26313839 is an apocalyptic number.

26313839 is a deficient number, since it is larger than the sum of its proper divisors (201001).

26313839 is a wasteful number, since it uses less digits than its factorization.

26313839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201000.

The product of its digits is 23328, while the sum is 35.

The square root of 26313839 is about 5129.7016482443. The cubic root of 26313839 is about 297.4368257922.

The spelling of 26313839 in words is "twenty-six million, three hundred thirteen thousand, eight hundred thirty-nine".