1982657804 has 12 divisors (see below), whose sum is σ = 3470463528. Its totient is φ = 991096800.

The previous prime is 1982657801. The next prime is 1982657837. The reversal of 1982657804 is 4087562891.

It is not an unprimeable number, because it can be changed into a prime (1982657801) 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, 38042 + ... + 73569.

It is an arithmetic number, because the mean of its divisors is an integer number (289205294).

Almost surely, 2^1982657804 is an apocalyptic number.

It is an amenable number.

1982657804 is a deficient number, since it is larger than the sum of its proper divisors (1487805724).

1982657804 is a wasteful number, since it uses less digits than its factorization.

1982657804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116056 (or 116054 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 1982657804 is about 44527.0457587296. The cubic root of 1982657804 is about 1256.2688402775.

The spelling of 1982657804 in words is "one billion, nine hundred eighty-two million, six hundred fifty-seven thousand, eight hundred four".