26893961 has 2 divisors, whose sum is σ = 26893962. Its totient is φ = 26893960.

The previous prime is 26893927. The next prime is 26893967. The reversal of 26893961 is 16939862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25441936 + 1452025 = 5044^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 26893961 - 2¹⁸ = 26631817 is a prime.

It is not a weakly prime, because it can be changed into another prime (26893967) 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, 13446980 + 13446981.

It is an arithmetic number, because the mean of its divisors is an integer number (13446981).

Almost surely, 2^26893961 is an apocalyptic number.

It is an amenable number.

26893961 is a deficient number, since it is larger than the sum of its proper divisors (1).

26893961 is an equidigital number, since it uses as much as digits as its factorization.

26893961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 26893961 is about 5185.9387771164. The cubic root of 26893961 is about 299.6067476970.

The spelling of 26893961 in words is "twenty-six million, eight hundred ninety-three thousand, nine hundred sixty-one".