1982597376 has 36 divisors (see below), whose sum is σ = 5276602352. Its totient is φ = 660865536.

The previous prime is 1982597371. The next prime is 1982597387. The reversal of 1982597376 is 6737952891.

It is not an unprimeable number, because it can be changed into a prime (1982597371) 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, 1289986 + ... + 1291521.

Almost surely, 2^1982597376 is an apocalyptic number.

1982597376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1982597376 is an abundant number, since it is smaller than the sum of its proper divisors (3294004976).

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

1982597376 is an equidigital number, since it uses as much as digits as its factorization.

1982597376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581526 (or 2581512 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The square root of 1982597376 is about 44526.3671996717. The cubic root of 1982597376 is about 1256.2560771766.

The spelling of 1982597376 in words is "one billion, nine hundred eighty-two million, five hundred ninety-seven thousand, three hundred seventy-six".