26346401 has 6 divisors (see below), whose sum is σ = 26975250. Its totient is φ = 25731888.

The previous prime is 26346371. The next prime is 26346443. The reversal of 26346401 is 10464362.

It can be written as a sum of positive squares in only one way, i.e., 24453025 + 1893376 = 4945^2 + 1376^2 .

It is not a de Polignac number, because 26346401 - 2¹⁰ = 26345377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26346491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5276 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (4495875).

Almost surely, 2^26346401 is an apocalyptic number.

It is an amenable number.

26346401 is a deficient number, since it is larger than the sum of its proper divisors (628849).

26346401 is an equidigital number, since it uses as much as digits as its factorization.

26346401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14335 (or 14292 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 26346401 is about 5132.8745357743. The cubic root of 26346401 is about 297.5594627275.

It can be divided in two parts, 263 and 46401, that added together give a palindrome (46664).

The spelling of 26346401 in words is "twenty-six million, three hundred forty-six thousand, four hundred one".