26983983 has 8 divisors (see below), whose sum is σ = 38746288. Its totient is φ = 16605504.

The previous prime is 26983973. The next prime is 26983987. The reversal of 26983983 is 38938962.

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

It is not a de Polignac number, because 26983983 - 2¹⁴ = 26967599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26983987) 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, 345910 + ... + 345987.

It is an arithmetic number, because the mean of its divisors is an integer number (4843286).

Almost surely, 2^26983983 is an apocalyptic number.

26983983 is a deficient number, since it is larger than the sum of its proper divisors (11762305).

26983983 is a wasteful number, since it uses less digits than its factorization.

26983983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691913.

The product of its digits is 559872, while the sum is 48.

The square root of 26983983 is about 5194.6109575213. The cubic root of 26983983 is about 299.9406660435.

It can be divided in two parts, 26983 and 983, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 26983983 in words is "twenty-six million, nine hundred eighty-three thousand, nine hundred eighty-three".