26894873 has 2 divisors, whose sum is σ = 26894874. Its totient is φ = 26894872.

The previous prime is 26894869. The next prime is 26894921. The reversal of 26894873 is 37849862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19642624 + 7252249 = 4432^2 + 2693^2 .

It is a cyclic number.

It is not a de Polignac number, because 26894873 - 2² = 26894869 is a prime.

It is a super-2 number, since 2×26894873² = 1446668387372258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26894173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13447436 + 13447437.

It is an arithmetic number, because the mean of its divisors is an integer number (13447437).

Almost surely, 2^26894873 is an apocalyptic number.

It is an amenable number.

26894873 is a deficient number, since it is larger than the sum of its proper divisors (1).

26894873 is an equidigital number, since it uses as much as digits as its factorization.

26894873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The square root of 26894873 is about 5186.0267064488. The cubic root of 26894873 is about 299.6101343094.

The spelling of 26894873 in words is "twenty-six million, eight hundred ninety-four thousand, eight hundred seventy-three".