41905987 has 8 divisors (see below), whose sum is σ = 42793920. Its totient is φ = 41021760.

The previous prime is 41905979. The next prime is 41905991. The reversal of 41905987 is 78950914.

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 41905987 - 2³ = 41905979 is a prime.

It is a super-2 number, since 2×41905987² = 3512223492888338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41905907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39814 + ... + 40852.

It is an arithmetic number, because the mean of its divisors is an integer number (5349240).

Almost surely, 2^41905987 is an apocalyptic number.

41905987 is a deficient number, since it is larger than the sum of its proper divisors (887933).

41905987 is a wasteful number, since it uses less digits than its factorization.

41905987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 41905987 is about 6473.4833745056. The cubic root of 41905987 is about 347.3431122447.

The spelling of 41905987 in words is "forty-one million, nine hundred five thousand, nine hundred eighty-seven".