26530392 has 64 divisors (see below), whose sum is σ = 76965120. Its totient is φ = 7463808.

The previous prime is 26530351. The next prime is 26530397. The reversal of 26530392 is 29303562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26530397) 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 15 ways as a sum of consecutive naturals, for example, 10078 + ... + 12434.

It is an arithmetic number, because the mean of its divisors is an integer number (1202580).

Almost surely, 2^26530392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26530392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38482560).

26530392 is an abundant number, since it is smaller than the sum of its proper divisors (50434728).

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

26530392 is a wasteful number, since it uses less digits than its factorization.

26530392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440 (or 2436 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 26530392 is about 5150.7661566023. The cubic root of 26530392 is about 298.2505287775.

The spelling of 26530392 in words is "twenty-six million, five hundred thirty thousand, three hundred ninety-two".