26920487 has 8 divisors (see below), whose sum is σ = 29408400. Its totient is φ = 24439360.

The previous prime is 26920483. The next prime is 26920489. The reversal of 26920487 is 78402962.

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

It is not a de Polignac number, because 26920487 - 2² = 26920483 is a prime.

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 26920487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26920483) 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 7 ways as a sum of consecutive naturals, for example, 10373 + ... + 12705.

It is an arithmetic number, because the mean of its divisors is an integer number (3676050).

Almost surely, 2^26920487 is an apocalyptic number.

26920487 is a deficient number, since it is larger than the sum of its proper divisors (2487913).

26920487 is a wasteful number, since it uses less digits than its factorization.

26920487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 26920487 is about 5188.4956393930. The cubic root of 26920487 is about 299.7052178472.

The spelling of 26920487 in words is "twenty-six million, nine hundred twenty thousand, four hundred eighty-seven".