26445397 has 12 divisors (see below), whose sum is σ = 30600640. Its totient is φ = 22773960.

The previous prime is 26445389. The next prime is 26445403. The reversal of 26445397 is 79354462.

It is a happy number.

It is not a de Polignac number, because 26445397 - 2³ = 26445389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26445197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3453 + ... + 8050.

Almost surely, 2^26445397 is an apocalyptic number.

It is an amenable number.

26445397 is a deficient number, since it is larger than the sum of its proper divisors (4155243).

26445397 is a wasteful number, since it uses less digits than its factorization.

26445397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11544 (or 11533 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 26445397 is about 5142.5088235218. The cubic root of 26445397 is about 297.9316878685.

The spelling of 26445397 in words is "twenty-six million, four hundred forty-five thousand, three hundred ninety-seven".