26874409 has 2 divisors, whose sum is σ = 26874410. Its totient is φ = 26874408.

The previous prime is 26874401. The next prime is 26874461. The reversal of 26874409 is 90447862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24970009 + 1904400 = 4997^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 26874409 - 2³ = 26874401 is a prime.

It is not a weakly prime, because it can be changed into another prime (26874401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13437204 + 13437205.

It is an arithmetic number, because the mean of its divisors is an integer number (13437205).

Almost surely, 2^26874409 is an apocalyptic number.

It is an amenable number.

26874409 is a deficient number, since it is larger than the sum of its proper divisors (1).

26874409 is an equidigital number, since it uses as much as digits as its factorization.

26874409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 26874409 is about 5184.0533369170. The cubic root of 26874409 is about 299.5341250578.

The spelling of 26874409 in words is "twenty-six million, eight hundred seventy-four thousand, four hundred nine".