1982280948 has 24 divisors (see below), whose sum is σ = 4659087552. Its totient is φ = 655936704.

The previous prime is 1982280919. The next prime is 1982280953. The reversal of 1982280948 is 8490822891.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1982280948.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601240 + ... + 604527.

It is an arithmetic number, because the mean of its divisors is an integer number (194128648).

Almost surely, 2^1982280948 is an apocalyptic number.

It is an amenable number.

1982280948 is an abundant number, since it is smaller than the sum of its proper divisors (2676806604).

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

1982280948 is a wasteful number, since it uses less digits than its factorization.

1982280948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205911 (or 1205909 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 1982280948 is about 44522.8137924817. The cubic root of 1982280948 is about 1256.1892396444.

The spelling of 1982280948 in words is "one billion, nine hundred eighty-two million, two hundred eighty thousand, nine hundred forty-eight".