1923972982 has 4 divisors (see below), whose sum is σ = 2885959476. Its totient is φ = 961986490.

The previous prime is 1923972979. The next prime is 1923972983. The reversal of 1923972982 is 2892793291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2892793291 = 3229 ⋅895879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923972983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480993244 + ... + 480993247.

It is an arithmetic number, because the mean of its divisors is an integer number (721489869).

Almost surely, 2^1923972982 is an apocalyptic number.

1923972982 is a deficient number, since it is larger than the sum of its proper divisors (961986494).

1923972982 is an equidigital number, since it uses as much as digits as its factorization.

1923972982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961986493.

The product of its digits is 979776, while the sum is 52.

The square root of 1923972982 is about 43863.1164191511. The cubic root of 1923972982 is about 1243.7497019367.

The spelling of 1923972982 in words is "one billion, nine hundred twenty-three million, nine hundred seventy-two thousand, nine hundred eighty-two".