26830798 has 4 divisors (see below), whose sum is σ = 40246200. Its totient is φ = 13415398.

The previous prime is 26830787. The next prime is 26830799. The reversal of 26830798 is 89703862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89703862 = 2 ⋅44851931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26830799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6707698 + ... + 6707701.

It is an arithmetic number, because the mean of its divisors is an integer number (10061550).

Almost surely, 2^26830798 is an apocalyptic number.

26830798 is a deficient number, since it is larger than the sum of its proper divisors (13415402).

26830798 is a wasteful number, since it uses less digits than its factorization.

26830798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415401.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 26830798 is about 5179.8453644872. The cubic root of 26830798 is about 299.3720122813.

The spelling of 26830798 in words is "twenty-six million, eight hundred thirty thousand, seven hundred ninety-eight".