26398126 has 8 divisors (see below), whose sum is σ = 39816504. Its totient is φ = 13125960.

The previous prime is 26398123. The next prime is 26398129. The reversal of 26398126 is 62189362.

It is an interprime number because it is at equal distance from previous prime (26398123) and next prime (26398129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26398126² = 1393722112623752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26398121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36100 + ... + 36823.

It is an arithmetic number, because the mean of its divisors is an integer number (4977063).

Almost surely, 2^26398126 is an apocalyptic number.

26398126 is the 3250-th centered pentagonal number.

26398126 is a deficient number, since it is larger than the sum of its proper divisors (13418378).

26398126 is a wasteful number, since it uses less digits than its factorization.

26398126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73106.

The product of its digits is 31104, while the sum is 37.

The square root of 26398126 is about 5137.9106648520. The cubic root of 26398126 is about 297.7540649149.

It can be divided in two parts, 263 and 98126, that added together give a palindrome (98389).

The spelling of 26398126 in words is "twenty-six million, three hundred ninety-eight thousand, one hundred twenty-six".