26971982 has 8 divisors (see below), whose sum is σ = 42587400. Its totient is φ = 12776184.

The previous prime is 26971981. The next prime is 26971993. The reversal of 26971982 is 28917962.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×26971982⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26971981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354857 + ... + 354932.

It is an arithmetic number, because the mean of its divisors is an integer number (5323425).

Almost surely, 2^26971982 is an apocalyptic number.

26971982 is a deficient number, since it is larger than the sum of its proper divisors (15615418).

26971982 is a wasteful number, since it uses less digits than its factorization.

26971982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709810.

The product of its digits is 108864, while the sum is 44.

The square root of 26971982 is about 5193.4556896155. The cubic root of 26971982 is about 299.8961937146.

The spelling of 26971982 in words is "twenty-six million, nine hundred seventy-one thousand, nine hundred eighty-two".