1982353620 has 48 divisors (see below), whose sum is σ = 5977560960. Its totient is φ = 487963776.

The previous prime is 1982353511. The next prime is 1982353687. The reversal of 1982353620 is 263532891.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1269960 + ... + 1271519.

It is an arithmetic number, because the mean of its divisors is an integer number (124532520).

Almost surely, 2^1982353620 is an apocalyptic number.

1982353620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1982353620 is an abundant number, since it is smaller than the sum of its proper divisors (3995207340).

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

1982353620 is a wasteful number, since it uses less digits than its factorization.

1982353620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541504 (or 2541502 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1982353620 is about 44523.6299059275. The cubic root of 1982353620 is about 1256.2045904232.

The spelling of 1982353620 in words is "one billion, nine hundred eighty-two million, three hundred fifty-three thousand, six hundred twenty".