41993987 has 8 divisors (see below), whose sum is σ = 48281856. Its totient is φ = 35778312.

The previous prime is 41993981. The next prime is 41993989. The reversal of 41993987 is 78939914.

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

It is a cyclic number.

It is not a de Polignac number, because 41993987 - 2¹² = 41989891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41993981) 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, 16793 + ... + 19130.

It is an arithmetic number, because the mean of its divisors is an integer number (6035232).

Almost surely, 2^41993987 is an apocalyptic number.

41993987 is a deficient number, since it is larger than the sum of its proper divisors (6287869).

41993987 is a wasteful number, since it uses less digits than its factorization.

41993987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36097.

The product of its digits is 489888, while the sum is 50.

The square root of 41993987 is about 6480.2767687808. The cubic root of 41993987 is about 347.5860753253.

It can be divided in two parts, 4 and 1993987, that added together give a palindrome (1993991).

The spelling of 41993987 in words is "forty-one million, nine hundred ninety-three thousand, nine hundred eighty-seven".