26394321 has 16 divisors (see below), whose sum is σ = 36927360. Its totient is φ = 16746240.

The previous prime is 26394281. The next prime is 26394323. The reversal of 26394321 is 12349362.

It is not a de Polignac number, because 26394321 - 2¹⁴ = 26377937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26394323) 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, 4041 + ... + 8313.

It is an arithmetic number, because the mean of its divisors is an integer number (2307960).

Almost surely, 2^26394321 is an apocalyptic number.

It is an amenable number.

26394321 is a deficient number, since it is larger than the sum of its proper divisors (10533039).

26394321 is a wasteful number, since it uses less digits than its factorization.

26394321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376.

The product of its digits is 7776, while the sum is 30.

The square root of 26394321 is about 5137.5403648049. The cubic root of 26394321 is about 297.7397582345.

The spelling of 26394321 in words is "twenty-six million, three hundred ninety-four thousand, three hundred twenty-one".