41866989 has 8 divisors (see below), whose sum is σ = 57010560. Its totient is φ = 27317376.

The previous prime is 41866973. The next prime is 41866997. The reversal of 41866989 is 98966814.

It is a happy number.

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

It is not a de Polignac number, because 41866989 - 2⁴ = 41866973 is a prime.

It is a super-2 number, since 2×41866989² = 3505689535852242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41866949) 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, 148324 + ... + 148605.

It is an arithmetic number, because the mean of its divisors is an integer number (7126320).

Almost surely, 2^41866989 is an apocalyptic number.

It is an amenable number.

41866989 is a deficient number, since it is larger than the sum of its proper divisors (15143571).

41866989 is a wasteful number, since it uses less digits than its factorization.

41866989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296979.

The product of its digits is 746496, while the sum is 51.

The square root of 41866989 is about 6470.4705393039. The cubic root of 41866989 is about 347.2353321737.

It can be divided in two parts, 4186 and 6989, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 41866989 in words is "forty-one million, eight hundred sixty-six thousand, nine hundred eighty-nine".