41287689 has 24 divisors (see below), whose sum is σ = 61436232. Its totient is φ = 26707200.

The previous prime is 41287651. The next prime is 41287693. The reversal of 41287689 is 98678214.

It can be written as a sum of positive squares in 4 ways, for example, as 31270464 + 10017225 = 5592^2 + 3165^2 .

It is not a de Polignac number, because 41287689 - 2²¹ = 39190537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41287289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47749 + ... + 48605.

It is an arithmetic number, because the mean of its divisors is an integer number (2559843).

Almost surely, 2^41287689 is an apocalyptic number.

It is an amenable number.

41287689 is a deficient number, since it is larger than the sum of its proper divisors (20148543).

41287689 is a wasteful number, since it uses less digits than its factorization.

41287689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1014 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 41287689 is about 6425.5497041109. The cubic root of 41287689 is about 345.6263605552.

The spelling of 41287689 in words is "forty-one million, two hundred eighty-seven thousand, six hundred eighty-nine".