1972184 has 8 divisors (see below), whose sum is σ = 3697860. Its totient is φ = 986088.

The previous prime is 1972177. The next prime is 1972207. The reversal of 1972184 is 4812791.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1972184.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123254 + ... + 123269.

2^1972184 is an apocalyptic number.

It is an amenable number.

1972184 is a deficient number, since it is larger than the sum of its proper divisors (1725676).

1972184 is a wasteful number, since it uses less digits than its factorization.

1972184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246529 (or 246525 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 1972184 is about 1404.3446870338. The cubic root of 1972184 is about 125.4052765870.

The spelling of 1972184 in words is "one million, nine hundred seventy-two thousand, one hundred eighty-four".