1982490736 has 20 divisors (see below), whose sum is σ = 3842946000. Its totient is φ = 990762752.

The previous prime is 1982490709. The next prime is 1982490737. The reversal of 1982490736 is 6370942891.

It is a self number, because there is not a number n which added to its sum of digits gives 1982490736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982490737) 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, 4965 + ... + 63163.

It is an arithmetic number, because the mean of its divisors is an integer number (192147300).

Almost surely, 2^1982490736 is an apocalyptic number.

1982490736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1982490736 is a deficient number, since it is larger than the sum of its proper divisors (1860455264).

1982490736 is a wasteful number, since it uses less digits than its factorization.

1982490736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60336 (or 60330 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1982490736 is about 44525.1696908614. The cubic root of 1982490736 is about 1256.2335529277.

The spelling of 1982490736 in words is "one billion, nine hundred eighty-two million, four hundred ninety thousand, seven hundred thirty-six".