26481998 has 16 divisors (see below), whose sum is σ = 41420160. Its totient is φ = 12684000.

The previous prime is 26481989. The next prime is 26482003. The reversal of 26481998 is 89918462.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4148 + ... + 8376.

It is an arithmetic number, because the mean of its divisors is an integer number (2588760).

Almost surely, 2^26481998 is an apocalyptic number.

26481998 is a deficient number, since it is larger than the sum of its proper divisors (14938162).

26481998 is a wasteful number, since it uses less digits than its factorization.

26481998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363.

The product of its digits is 248832, while the sum is 47.

The square root of 26481998 is about 5146.0662646336. The cubic root of 26481998 is about 298.0690724682.

The spelling of 26481998 in words is "twenty-six million, four hundred eighty-one thousand, nine hundred ninety-eight".