26839972 has 12 divisors (see below), whose sum is σ = 47132316. Its totient is φ = 13373600.

The previous prime is 26839963. The next prime is 26839973. The reversal of 26839972 is 27993862.

It can be written as a sum of positive squares in 2 ways, for example, as 25948836 + 891136 = 5094^2 + 944^2 .

It is not an unprimeable number, because it can be changed into a prime (26839973) 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, 10279 + ... + 12622.

It is an arithmetic number, because the mean of its divisors is an integer number (3927693).

Almost surely, 2^26839972 is an apocalyptic number.

It is an amenable number.

26839972 is a deficient number, since it is larger than the sum of its proper divisors (20292344).

26839972 is a wasteful number, since it uses less digits than its factorization.

26839972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23198 (or 23196 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 26839972 is about 5180.7308364747. The cubic root of 26839972 is about 299.4061288697.

The spelling of 26839972 in words is "twenty-six million, eight hundred thirty-nine thousand, nine hundred seventy-two".