26200398 has 64 divisors (see below), whose sum is σ = 63360000. Its totient is φ = 7211232.

The previous prime is 26200387. The next prime is 26200399. The reversal of 26200398 is 89300262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26200399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59463 + ... + 59901.

It is an arithmetic number, because the mean of its divisors is an integer number (990000).

Almost surely, 2^26200398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26200398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31680000).

26200398 is an abundant number, since it is smaller than the sum of its proper divisors (37159602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26200398 is a wasteful number, since it uses less digits than its factorization.

26200398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 26200398 is about 5118.6324345473. The cubic root of 26200398 is about 297.0087856917.

The spelling of 26200398 in words is "twenty-six million, two hundred thousand, three hundred ninety-eight".