26932993 has 2 divisors, whose sum is σ = 26932994. Its totient is φ = 26932992.

The previous prime is 26932951. The next prime is 26932999. The reversal of 26932993 is 39923962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20866624 + 6066369 = 4568^2 + 2463^2 .

It is a cyclic number.

It is not a de Polignac number, because 26932993 - 2¹³ = 26924801 is a prime.

It is a super-2 number, since 2×26932993² = 1450772223876098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26932999) 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 as a sum of consecutive naturals, namely, 13466496 + 13466497.

It is an arithmetic number, because the mean of its divisors is an integer number (13466497).

Almost surely, 2^26932993 is an apocalyptic number.

It is an amenable number.

26932993 is a deficient number, since it is larger than the sum of its proper divisors (1).

26932993 is an equidigital number, since it uses as much as digits as its factorization.

26932993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 43.

The square root of 26932993 is about 5189.7006657417. The cubic root of 26932993 is about 299.7516203412.

The spelling of 26932993 in words is "twenty-six million, nine hundred thirty-two thousand, nine hundred ninety-three".