1982394382 has 4 divisors (see below), whose sum is σ = 2973591576. Its totient is φ = 991197190.

The previous prime is 1982394377. The next prime is 1982394439. The reversal of 1982394382 is 2834932891.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 495598594 + ... + 495598597.

It is an arithmetic number, because the mean of its divisors is an integer number (743397894).

Almost surely, 2^1982394382 is an apocalyptic number.

1982394382 is a deficient number, since it is larger than the sum of its proper divisors (991197194).

1982394382 is an equidigital number, since it uses as much as digits as its factorization.

1982394382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991197193.

The product of its digits is 746496, while the sum is 49.

The square root of 1982394382 is about 44524.0876605013. The cubic root of 1982394382 is about 1256.2132005689.

The spelling of 1982394382 in words is "one billion, nine hundred eighty-two million, three hundred ninety-four thousand, three hundred eighty-two".