1884161 has 8 divisors (see below), whose sum is σ = 2012040. Its totient is φ = 1758208.

The previous prime is 1884133. The next prime is 1884193. The reversal of 1884161 is 1614881.

It can be written as a sum of positive squares in 4 ways, for example, as 970225 + 913936 = 985^2 + 956^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-1884161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1884121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (251505).

It is a Proth number, since it is equal to 115 ⋅ 2¹⁴ + 1 and 115 < 2¹⁴.

2^1884161 is an apocalyptic number.

It is an amenable number.

1884161 is a deficient number, since it is larger than the sum of its proper divisors (127879).

1884161 is a wasteful number, since it uses less digits than its factorization.

1884161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its digits is 1536, while the sum is 29.

The square root of 1884161 is about 1372.6474419894. The cubic root of 1884161 is about 123.5111039206.

The spelling of 1884161 in words is "one million, eight hundred eighty-four thousand, one hundred sixty-one".