26931038 has 4 divisors (see below), whose sum is σ = 40396560. Its totient is φ = 13465518.

The previous prime is 26931019. The next prime is 26931067. The reversal of 26931038 is 83013962.

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

It is a junction number, because it is equal to n+sod(n) for n = 26930995 and 26931013.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6732758 + ... + 6732761.

It is an arithmetic number, because the mean of its divisors is an integer number (10099140).

Almost surely, 2^26931038 is an apocalyptic number.

26931038 is a deficient number, since it is larger than the sum of its proper divisors (13465522).

26931038 is a wasteful number, since it uses less digits than its factorization.

26931038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13465521.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 26931038 is about 5189.5123084930. The cubic root of 26931038 is about 299.7443674203.

The spelling of 26931038 in words is "twenty-six million, nine hundred thirty-one thousand, thirty-eight".