201443988 has 48 divisors (see below), whose sum is σ = 487400256. Its totient is φ = 64707840.

The previous prime is 201443981. The next prime is 201443993. The reversal of 201443988 is 889344102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201443981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38370 + ... + 43302.

It is an arithmetic number, because the mean of its divisors is an integer number (10154172).

Almost surely, 2^201443988 is an apocalyptic number.

It is an amenable number.

201443988 is an abundant number, since it is smaller than the sum of its proper divisors (285956268).

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

201443988 is a wasteful number, since it uses less digits than its factorization.

201443988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064 (or 5062 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 201443988 is about 14193.0964909001. The cubic root of 201443988 is about 586.2075895204.

The spelling of 201443988 in words is "two hundred one million, four hundred forty-three thousand, nine hundred eighty-eight".