26379998 has 4 divisors (see below), whose sum is σ = 39570000. Its totient is φ = 13189998.

The previous prime is 26379989. The next prime is 26380007. The reversal of 26379998 is 89997362.

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

It is an interprime number because it is at equal distance from previous prime (26379989) and next prime (26380007).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6594998 + ... + 6595001.

It is an arithmetic number, because the mean of its divisors is an integer number (9892500).

Almost surely, 2^26379998 is an apocalyptic number.

26379998 is a deficient number, since it is larger than the sum of its proper divisors (13190002).

26379998 is a wasteful number, since it uses less digits than its factorization.

26379998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190001.

The product of its digits is 1469664, while the sum is 53.

The square root of 26379998 is about 5136.1462206600. The cubic root of 26379998 is about 297.6858918722.

The spelling of 26379998 in words is "twenty-six million, three hundred seventy-nine thousand, nine hundred ninety-eight".