26345397 has 16 divisors (see below), whose sum is σ = 37999808. Its totient is φ = 16139520.

The previous prime is 26345387. The next prime is 26345413. The reversal of 26345397 is 79354362.

It is not a de Polignac number, because 26345397 - 2⁸ = 26345141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26345377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7998 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (2374988).

Almost surely, 2^26345397 is an apocalyptic number.

It is an amenable number.

26345397 is a deficient number, since it is larger than the sum of its proper divisors (11654411).

26345397 is a wasteful number, since it uses less digits than its factorization.

26345397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its digits is 136080, while the sum is 39.

The square root of 26345397 is about 5132.7767338937. The cubic root of 26345397 is about 297.5556829134. Note that the first 3 decimals are identical.

The spelling of 26345397 in words is "twenty-six million, three hundred forty-five thousand, three hundred ninety-seven".