26430893 has 2 divisors, whose sum is σ = 26430894. Its totient is φ = 26430892.

The previous prime is 26430883. The next prime is 26430931. The reversal of 26430893 is 39803462.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25786084 + 644809 = 5078^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 26430893 - 2⁶ = 26430829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26430823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13215446 + 13215447.

It is an arithmetic number, because the mean of its divisors is an integer number (13215447).

Almost surely, 2^26430893 is an apocalyptic number.

It is an amenable number.

26430893 is a deficient number, since it is larger than the sum of its proper divisors (1).

26430893 is an equidigital number, since it uses as much as digits as its factorization.

26430893 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 35.

The square root of 26430893 is about 5141.0984234889. The cubic root of 26430893 is about 297.8772109472.

The spelling of 26430893 in words is "twenty-six million, four hundred thirty thousand, eight hundred ninety-three".