26267397 has 16 divisors (see below), whose sum is σ = 39936960. Its totient is φ = 15213312.

The previous prime is 26267387. The next prime is 26267399. The reversal of 26267397 is 79376262.

It is not a de Polignac number, because 26267397 - 2⁶ = 26267333 is a prime.

It is a super-2 number, since 2×26267397² = 1379952290311218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26267399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19147 + ... + 20472.

It is an arithmetic number, because the mean of its divisors is an integer number (2496060).

Almost surely, 2^26267397 is an apocalyptic number.

It is an amenable number.

26267397 is a deficient number, since it is larger than the sum of its proper divisors (13669563).

26267397 is a wasteful number, since it uses less digits than its factorization.

26267397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39652.

The product of its digits is 190512, while the sum is 42.

The square root of 26267397 is about 5125.1728751331. The cubic root of 26267397 is about 297.2617380030.

The spelling of 26267397 in words is "twenty-six million, two hundred sixty-seven thousand, three hundred ninety-seven".