26913939 has 16 divisors (see below), whose sum is σ = 39470592. Its totient is φ = 16208928.

The previous prime is 26913923. The next prime is 26913947. The reversal of 26913939 is 93931962.

It is a happy number.

It is not a de Polignac number, because 26913939 - 2⁴ = 26913923 is a prime.

It is a super-2 number, since 2×26913939² = 1448720224991442, which contains 22 as substring.

26913939 is a modest number, since divided by 3939 gives 2691 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 26913939.

It is not an unprimeable number, because it can be changed into a prime (26913959) 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 15 ways as a sum of consecutive naturals, for example, 5509 + ... + 9174.

It is an arithmetic number, because the mean of its divisors is an integer number (2466912).

Almost surely, 2^26913939 is an apocalyptic number.

26913939 is a deficient number, since it is larger than the sum of its proper divisors (12556653).

26913939 is a wasteful number, since it uses less digits than its factorization.

26913939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746.

The product of its digits is 78732, while the sum is 42.

The square root of 26913939 is about 5187.8645895975. The cubic root of 26913939 is about 299.6809162945.

The spelling of 26913939 in words is "twenty-six million, nine hundred thirteen thousand, nine hundred thirty-nine".