26913898 has 16 divisors (see below), whose sum is σ = 44136576. Its totient is φ = 12207040.

The previous prime is 26913889. The next prime is 26913923. The reversal of 26913898 is 89831962.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12015 + ... + 14077.

It is an arithmetic number, because the mean of its divisors is an integer number (2758536).

Almost surely, 2^26913898 is an apocalyptic number.

26913898 is a deficient number, since it is larger than the sum of its proper divisors (17222678).

26913898 is a wasteful number, since it uses less digits than its factorization.

26913898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669.

The product of its digits is 186624, while the sum is 46.

The square root of 26913898 is about 5187.8606380665. The cubic root of 26913898 is about 299.6807641190.

The spelling of 26913898 in words is "twenty-six million, nine hundred thirteen thousand, eight hundred ninety-eight".