26893949 has 16 divisors (see below), whose sum is σ = 30559680. Its totient is φ = 23512320.

The previous prime is 26893927. The next prime is 26893961. The reversal of 26893949 is 94939862.

It is a cyclic number.

It is not a de Polignac number, because 26893949 - 2¹² = 26889853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26893897 and 26893906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26893249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16334 + ... + 17904.

It is an arithmetic number, because the mean of its divisors is an integer number (1909980).

Almost surely, 2^26893949 is an apocalyptic number.

It is an amenable number.

26893949 is a deficient number, since it is larger than the sum of its proper divisors (3665731).

26893949 is a wasteful number, since it uses less digits than its factorization.

26893949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its digits is 839808, while the sum is 50.

The square root of 26893949 is about 5185.9376201416. The cubic root of 26893949 is about 299.6067031358.

The spelling of 26893949 in words is "twenty-six million, eight hundred ninety-three thousand, nine hundred forty-nine".