26498997 has 24 divisors (see below), whose sum is σ = 44815680. Its totient is φ = 14771520.

The previous prime is 26498987. The next prime is 26498999. The reversal of 26498997 is 79989462.

It is not a de Polignac number, because 26498997 - 2⁶ = 26498933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26498999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2547 + ... + 7712.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^26498997 is an apocalyptic number.

It is an amenable number.

26498997 is a deficient number, since it is larger than the sum of its proper divisors (18316683).

26498997 is a wasteful number, since it uses less digits than its factorization.

26498997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10313 (or 10310 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 26498997 is about 5147.7176495997. The cubic root of 26498997 is about 298.1328364434.

It can be divided in two parts, 26498 and 997, that added together give a triangular number (27495 = T₂₃₄).

The spelling of 26498997 in words is "twenty-six million, four hundred ninety-eight thousand, nine hundred ninety-seven".