201441986 has 8 divisors (see below), whose sum is σ = 310329660. Its totient is φ = 97998768.

The previous prime is 201441983. The next prime is 201442001. The reversal of 201441986 is 689144102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189915961 + 11526025 = 13781^2 + 3395^2 .

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 (201441983) 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, 1361021 + ... + 1361168.

Almost surely, 2^201441986 is an apocalyptic number.

201441986 is a deficient number, since it is larger than the sum of its proper divisors (108887674).

201441986 is a wasteful number, since it uses less digits than its factorization.

201441986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722228.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 201441986 is about 14193.0259634794. The cubic root of 201441986 is about 586.2056475555.

The spelling of 201441986 in words is "two hundred one million, four hundred forty-one thousand, nine hundred eighty-six".