41686690 has 16 divisors (see below), whose sum is σ = 75125880. Its totient is φ = 16654720.

The previous prime is 41686681. The next prime is 41686691. The reversal of 41686690 is 9668614.

It can be written as a sum of positive squares in 4 ways, for example, as 29062881 + 12623809 = 5391^2 + 3553^2 .

It is a super-2 number, since 2×41686690² = 3475560246312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41686691) 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, 8646 + ... + 12574.

Almost surely, 2^41686690 is an apocalyptic number.

41686690 is a deficient number, since it is larger than the sum of its proper divisors (33439190).

41686690 is a wasteful number, since it uses less digits than its factorization.

41686690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 41686690 is about 6456.5230581173. The cubic root of 41686690 is about 346.7361618976.

The spelling of 41686690 in words is "forty-one million, six hundred eighty-six thousand, six hundred ninety".