41993986 has 8 divisors (see below), whose sum is σ = 64023804. Its totient is φ = 20652720.

The previous prime is 41993981. The next prime is 41993989. The reversal of 41993986 is 68939914.

It can be written as a sum of positive squares in 2 ways, for example, as 34047225 + 7946761 = 5835^2 + 2819^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 171985 + ... + 172228.

Almost surely, 2^41993986 is an apocalyptic number.

41993986 is a deficient number, since it is larger than the sum of its proper divisors (22029818).

41993986 is a wasteful number, since it uses less digits than its factorization.

41993986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344276.

The product of its digits is 419904, while the sum is 49.

The square root of 41993986 is about 6480.2766916236. The cubic root of 41993986 is about 347.5860725663.

The spelling of 41993986 in words is "forty-one million, nine hundred ninety-three thousand, nine hundred eighty-six".