26493481 has 8 divisors (see below), whose sum is σ = 30849984. Its totient is φ = 22279920.

The previous prime is 26493479. The next prime is 26493487. The reversal of 26493481 is 18439462.

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

It is a cyclic number.

It is not a de Polignac number, because 26493481 - 2¹ = 26493479 is a prime.

It is a super-2 number, since 2×26493481² = 1403809070994722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26493481.

It is not an unprimeable number, because it can be changed into a prime (26493487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35335 + ... + 36076.

It is an arithmetic number, because the mean of its divisors is an integer number (3856248).

Almost surely, 2^26493481 is an apocalyptic number.

It is an amenable number.

26493481 is a deficient number, since it is larger than the sum of its proper divisors (4356503).

26493481 is an equidigital number, since it uses as much as digits as its factorization.

26493481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71471.

The product of its digits is 41472, while the sum is 37.

The square root of 26493481 is about 5147.1818502944. The cubic root of 26493481 is about 298.1121486812.

The spelling of 26493481 in words is "twenty-six million, four hundred ninety-three thousand, four hundred eighty-one".