26361369 has 14 divisors (see below), whose sum is σ = 39525066. Its totient is φ = 17573760.

The previous prime is 26361367. The next prime is 26361389. The reversal of 26361369 is 96316362.

26361369 is a `hidden beast` number, since 2 + 636 + 13 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24950025 + 1411344 = 4995^2 + 1188^2 .

It is not a de Polignac number, because 26361369 - 2¹ = 26361367 is a prime.

It is a super-2 number, since 2×26361369² = 1389843551108322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26361367) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 17352 + ... + 18809.

It is an arithmetic number, because the mean of its divisors is an integer number (2823219).

Almost surely, 2^26361369 is an apocalyptic number.

It is an amenable number.

26361369 is a deficient number, since it is larger than the sum of its proper divisors (13163697).

26361369 is an frugal number, since it uses more digits than its factorization.

26361369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36179 (or 36164 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 26361369 is about 5134.3323811378. The cubic root of 26361369 is about 297.6158021981.

It can be divided in two parts, 2636 and 1369, that added together give a triangular number (4005 = T₈₉).

The spelling of 26361369 in words is "twenty-six million, three hundred sixty-one thousand, three hundred sixty-nine".