201671382 has 32 divisors (see below), whose sum is σ = 446217984. Its totient is φ = 60250400.

The previous prime is 201671359. The next prime is 201671389. The reversal of 201671382 is 283176102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201671389) 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 15 ways as a sum of consecutive naturals, for example, 16833 + ... + 26204.

It is an arithmetic number, because the mean of its divisors is an integer number (13944312).

Almost surely, 2^201671382 is an apocalyptic number.

201671382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201671382 is an abundant number, since it is smaller than the sum of its proper divisors (244546602).

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

201671382 is a wasteful number, since it uses less digits than its factorization.

201671382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43124.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 201671382 is about 14201.1049570095. The cubic root of 201671382 is about 586.4280808575.

The spelling of 201671382 in words is "two hundred one million, six hundred seventy-one thousand, three hundred eighty-two".