1984422361 has 4 divisors (see below), whose sum is σ = 1984528000. Its totient is φ = 1984316724.

The previous prime is 1984422347. The next prime is 1984422367. The reversal of 1984422361 is 1632244891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1984422361 - 2²⁷ = 1850204633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1984422367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16161 + ... + 65038.

It is an arithmetic number, because the mean of its divisors is an integer number (496132000).

Almost surely, 2^1984422361 is an apocalyptic number.

It is an amenable number.

1984422361 is a deficient number, since it is larger than the sum of its proper divisors (105639).

1984422361 is an equidigital number, since it uses as much as digits as its factorization.

1984422361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105638.

The product of its digits is 82944, while the sum is 40.

The square root of 1984422361 is about 44546.8557925248. The cubic root of 1984422361 is about 1256.6414210731.

The spelling of 1984422361 in words is "one billion, nine hundred eighty-four million, four hundred twenty-two thousand, three hundred sixty-one".