26387361 has 96 divisors (see below), whose sum is σ = 53464320. Its totient is φ = 12096000.

The previous prime is 26387359. The next prime is 26387369. The reversal of 26387361 is 16378362.

It is a happy number.

It is not a de Polignac number, because 26387361 - 2¹ = 26387359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26387369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 261211 + ... + 261311.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

Almost surely, 2^26387361 is an apocalyptic number.

26387361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26387361 is an abundant number, since it is smaller than the sum of its proper divisors (27076959).

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

26387361 is a wasteful number, since it uses less digits than its factorization.

26387361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 164 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 26387361 is about 5136.8629532040. The cubic root of 26387361 is about 297.7135852951.

It can be divided in two parts, 2638 and 7361, that added together give a palindrome (9999).

The spelling of 26387361 in words is "twenty-six million, three hundred eighty-seven thousand, three hundred sixty-one".