1984158201 has 8 divisors (see below), whose sum is σ = 2784783520. Its totient is φ = 1253152512.

The previous prime is 1984158151. The next prime is 1984158287. The reversal of 1984158201 is 1028514891.

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

It is not a de Polignac number, because 1984158201 - 2¹⁹ = 1983633913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1984158201.

It is not an unprimeable number, because it can be changed into a prime (1984156201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17404840 + ... + 17404953.

It is an arithmetic number, because the mean of its divisors is an integer number (348097940).

Almost surely, 2^1984158201 is an apocalyptic number.

It is an amenable number.

1984158201 is a deficient number, since it is larger than the sum of its proper divisors (800625319).

1984158201 is a wasteful number, since it uses less digits than its factorization.

1984158201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34809815.

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 1984158201 is about 44543.8907258897. The cubic root of 1984158201 is about 1256.5856585609.

The spelling of 1984158201 in words is "one billion, nine hundred eighty-four million, one hundred fifty-eight thousand, two hundred one".