41215985 has 8 divisors (see below), whose sum is σ = 49510440. Its totient is φ = 32938624.

The previous prime is 41215981. The next prime is 41215987. The reversal of 41215985 is 58951214.

It can be written as a sum of positive squares in 4 ways, for example, as 3073009 + 38142976 = 1753^2 + 6176^2 .

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 41215985 - 2² = 41215981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41215981) 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, 1829 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (6188805).

Almost surely, 2^41215985 is an apocalyptic number.

It is an amenable number.

41215985 is a deficient number, since it is larger than the sum of its proper divisors (8294455).

41215985 is a wasteful number, since it uses less digits than its factorization.

41215985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547.

The product of its digits is 14400, while the sum is 35.

The square root of 41215985 is about 6419.9676790464. The cubic root of 41215985 is about 345.4261624356.

The spelling of 41215985 in words is "forty-one million, two hundred fifteen thousand, nine hundred eighty-five".