201886494 has 8 divisors (see below), whose sum is σ = 403773000. Its totient is φ = 67295496.

The previous prime is 201886493. The next prime is 201886511. The reversal of 201886494 is 494688102.

It is a sphenic number, since it is the product of 3 distinct primes.

201886494 is an admirable number.

It is a super-2 number, since 2×201886494² = 81516312919224072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201886493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16823869 + ... + 16823880.

It is an arithmetic number, because the mean of its divisors is an integer number (50471625).

Almost surely, 2^201886494 is an apocalyptic number.

201886494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201886494 is a wasteful number, since it uses less digits than its factorization.

201886494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33647754.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 201886494 is about 14208.6767153032. The cubic root of 201886494 is about 586.6365105166.

The spelling of 201886494 in words is "two hundred one million, eight hundred eighty-six thousand, four hundred ninety-four".