1982734620 has 24 divisors (see below), whose sum is σ = 5551657104. Its totient is φ = 528729216.

The previous prime is 1982734603. The next prime is 1982734681. The reversal of 1982734620 is 264372891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16522729 + ... + 16522848.

It is an arithmetic number, because the mean of its divisors is an integer number (231319046).

Almost surely, 2^1982734620 is an apocalyptic number.

1982734620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982734620 is an abundant number, since it is smaller than the sum of its proper divisors (3568922484).

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

1982734620 is a wasteful number, since it uses less digits than its factorization.

1982734620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33045589 (or 33045587 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1982734620 is about 44527.9083272502. The cubic root of 1982734620 is about 1256.2850643414.

The spelling of 1982734620 in words is "one billion, nine hundred eighty-two million, seven hundred thirty-four thousand, six hundred twenty".