41289987 has 4 divisors (see below), whose sum is σ = 55053320. Its totient is φ = 27526656.

The previous prime is 41289977. The next prime is 41290001. The reversal of 41289987 is 78998214.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 41289987 - 2⁴ = 41289971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41289947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6881662 + ... + 6881667.

It is an arithmetic number, because the mean of its divisors is an integer number (13763330).

Almost surely, 2^41289987 is an apocalyptic number.

41289987 is a deficient number, since it is larger than the sum of its proper divisors (13763333).

41289987 is a wasteful number, since it uses less digits than its factorization.

41289987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13763332.

The product of its digits is 290304, while the sum is 48.

The square root of 41289987 is about 6425.7285190086. The cubic root of 41289987 is about 345.6327727543.

The spelling of 41289987 in words is "forty-one million, two hundred eighty-nine thousand, nine hundred eighty-seven".