1682983890 has 72 divisors (see below), whose sum is σ = 5090180940. Its totient is φ = 384681024.

The previous prime is 1682983877. The next prime is 1682983927. The reversal of 1682983890 is 983892861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1675183041 + 7800849 = 40929^2 + 2793^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 186405 + ... + 195224.

Almost surely, 2^1682983890 is an apocalyptic number.

1682983890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1682983890 is an abundant number, since it is smaller than the sum of its proper divisors (3407197050).

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

1682983890 is a wasteful number, since it uses less digits than its factorization.

1682983890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381656 (or 381646 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 1682983890 is about 41024.1866464163. The cubic root of 1682983890 is about 1189.4877841704.

The spelling of 1682983890 in words is "one billion, six hundred eighty-two million, nine hundred eighty-three thousand, eight hundred ninety".