41599981 has 8 divisors (see below), whose sum is σ = 42223104. Its totient is φ = 40981200.

The previous prime is 41599979. The next prime is 41599997. The reversal of 41599981 is 18999514.

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 41599981 - 2¹ = 41599979 is a prime.

It is a super-2 number, since 2×41599981² = 3461116838400722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41599931) 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, 21600 + ... + 23446.

It is an arithmetic number, because the mean of its divisors is an integer number (5277888).

Almost surely, 2^41599981 is an apocalyptic number.

It is an amenable number.

41599981 is a deficient number, since it is larger than the sum of its proper divisors (623123).

41599981 is a wasteful number, since it uses less digits than its factorization.

41599981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its digits is 116640, while the sum is 46.

The square root of 41599981 is about 6449.8047257262. The cubic root of 41599981 is about 346.4955893846.

The spelling of 41599981 in words is "forty-one million, five hundred ninety-nine thousand, nine hundred eighty-one".