26623982 has 16 divisors (see below), whose sum is σ = 49790592. Its totient is φ = 10372920.

The previous prime is 26623981. The next prime is 26624021. The reversal of 26623982 is 28932662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26623981) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 86288 + ... + 86595.

It is an arithmetic number, because the mean of its divisors is an integer number (3111912).

Almost surely, 2^26623982 is an apocalyptic number.

26623982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26623982 is a deficient number, since it is larger than the sum of its proper divisors (23166610).

26623982 is a wasteful number, since it uses less digits than its factorization.

26623982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172903.

The product of its digits is 62208, while the sum is 38.

The square root of 26623982 is about 5159.8432146723. The cubic root of 26623982 is about 298.6008252525.

The spelling of 26623982 in words is "twenty-six million, six hundred twenty-three thousand, nine hundred eighty-two".