201987448 has 24 divisors (see below), whose sum is σ = 410103000. Its totient is φ = 93224352.

The previous prime is 201987439. The next prime is 201987451. The reversal of 201987448 is 844789102.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 73348 + ... + 76051.

It is an arithmetic number, because the mean of its divisors is an integer number (17087625).

Almost surely, 2^201987448 is an apocalyptic number.

It is an amenable number.

201987448 is an abundant number, since it is smaller than the sum of its proper divisors (208115552).

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

201987448 is a wasteful number, since it uses less digits than its factorization.

201987448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149431 (or 149414 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 201987448 is about 14212.2288188729. The cubic root of 201987448 is about 586.7342773892.

The spelling of 201987448 in words is "two hundred one million, nine hundred eighty-seven thousand, four hundred forty-eight".