1983469782 has 16 divisors (see below), whose sum is σ = 4533645312. Its totient is φ = 566705640.

The previous prime is 1983469777. The next prime is 1983469783. The reversal of 1983469782 is 2879643891.

It is a super-2 number, since 2×1983469782² = 7868304752214255048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983469783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23612694 + ... + 23612777.

It is an arithmetic number, because the mean of its divisors is an integer number (283352832).

Almost surely, 2^1983469782 is an apocalyptic number.

1983469782 is an abundant number, since it is smaller than the sum of its proper divisors (2550175530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1983469782 is a wasteful number, since it uses less digits than its factorization.

1983469782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47225483.

The product of its digits is 5225472, while the sum is 57.

The square root of 1983469782 is about 44536.1626321802. The cubic root of 1983469782 is about 1256.4403143863.

The spelling of 1983469782 in words is "one billion, nine hundred eighty-three million, four hundred sixty-nine thousand, seven hundred eighty-two".