1609547982 has 48 divisors (see below), whose sum is σ = 3747969792. Its totient is φ = 459464880.

The previous prime is 1609547971. The next prime is 1609548037. The reversal of 1609547982 is 2897459061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530923 + ... + 533945.

It is an arithmetic number, because the mean of its divisors is an integer number (78082704).

Almost surely, 2^1609547982 is an apocalyptic number.

1609547982 is an abundant number, since it is smaller than the sum of its proper divisors (2138421810).

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

1609547982 is a wasteful number, since it uses less digits than its factorization.

1609547982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853 (or 4846 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 1609547982 is about 40119.1722496863. The cubic root of 1609547982 is about 1171.9290217628.

The spelling of 1609547982 in words is "one billion, six hundred nine million, five hundred forty-seven thousand, nine hundred eighty-two".