26831330 has 8 divisors (see below), whose sum is σ = 48296412. Its totient is φ = 10732528.

The previous prime is 26831297. The next prime is 26831333. The reversal of 26831330 is 3313862.

It can be written as a sum of positive squares in 2 ways, for example, as 24690961 + 2140369 = 4969^2 + 1463^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 26831330.

It is not an unprimeable number, because it can be changed into a prime (26831333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341557 + ... + 1341576.

Almost surely, 2^26831330 is an apocalyptic number.

26831330 is a deficient number, since it is larger than the sum of its proper divisors (21465082).

26831330 is a wasteful number, since it uses less digits than its factorization.

26831330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683140.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 26831330 is about 5179.8967171171. The cubic root of 26831330 is about 299.3739909137.

The spelling of 26831330 in words is "twenty-six million, eight hundred thirty-one thousand, three hundred thirty".