26929953 has 12 divisors (see below), whose sum is σ = 39184548. Its totient is φ = 17821440.

The previous prime is 26929949. The next prime is 26929961. The reversal of 26929953 is 35992962.

It can be written as a sum of positive squares in 2 ways, for example, as 4915089 + 22014864 = 2217^2 + 4692^2 .

It is not a de Polignac number, because 26929953 - 2² = 26929949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26929899 and 26929908.

It is not an unprimeable number, because it can be changed into a prime (26929943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9688 + ... + 12153.

It is an arithmetic number, because the mean of its divisors is an integer number (3265379).

Almost surely, 2^26929953 is an apocalyptic number.

It is an amenable number.

26929953 is a deficient number, since it is larger than the sum of its proper divisors (12254595).

26929953 is a wasteful number, since it uses less digits than its factorization.

26929953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21984 (or 21981 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 26929953 is about 5189.4077696785. The cubic root of 26929953 is about 299.7403419906.

The spelling of 26929953 in words is "twenty-six million, nine hundred twenty-nine thousand, nine hundred fifty-three".