26890229 has 2 divisors, whose sum is σ = 26890230. Its totient is φ = 26890228.

The previous prime is 26890211. The next prime is 26890247. The reversal of 26890229 is 92209862.

It is a balanced prime because it is at equal distance from previous prime (26890211) and next prime (26890247).

It can be written as a sum of positive squares in only one way, i.e., 13764100 + 13126129 = 3710^2 + 3623^2 .

It is a cyclic number.

It is not a de Polignac number, because 26890229 - 2¹² = 26886133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26890192 and 26890201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26890729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13445114 + 13445115.

It is an arithmetic number, because the mean of its divisors is an integer number (13445115).

Almost surely, 2^26890229 is an apocalyptic number.

It is an amenable number.

26890229 is a deficient number, since it is larger than the sum of its proper divisors (1).

26890229 is an equidigital number, since it uses as much as digits as its factorization.

26890229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 26890229 is about 5185.5789454988. The cubic root of 26890229 is about 299.5928885248.

The spelling of 26890229 in words is "twenty-six million, eight hundred ninety thousand, two hundred twenty-nine".