26981463 has 16 divisors (see below), whose sum is σ = 37980800. Its totient is φ = 16990560.

The previous prime is 26981453. The next prime is 26981497. The reversal of 26981463 is 36418962.

It is not a de Polignac number, because 26981463 - 2¹⁷ = 26850391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26981413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32133 + ... + 32961.

It is an arithmetic number, because the mean of its divisors is an integer number (2373800).

Almost surely, 2^26981463 is an apocalyptic number.

26981463 is a deficient number, since it is larger than the sum of its proper divisors (10999337).

26981463 is a wasteful number, since it uses less digits than its factorization.

26981463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422.

The product of its digits is 62208, while the sum is 39.

The square root of 26981463 is about 5194.3683927885. The cubic root of 26981463 is about 299.9313287265.

The spelling of 26981463 in words is "twenty-six million, nine hundred eighty-one thousand, four hundred sixty-three".