1948587916 has 48 divisors (see below), whose sum is σ = 3759904512. Its totient is φ = 876283200.

The previous prime is 1948587911. The next prime is 1948587917. The reversal of 1948587916 is 6197858491.

It is not an unprimeable number, because it can be changed into a prime (1948587911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2147935 + ... + 2148841.

It is an arithmetic number, because the mean of its divisors is an integer number (78331344).

Almost surely, 2^1948587916 is an apocalyptic number.

It is an amenable number.

1948587916 is a deficient number, since it is larger than the sum of its proper divisors (1811316596).

1948587916 is a wasteful number, since it uses less digits than its factorization.

1948587916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1388 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 58.

The square root of 1948587916 is about 44142.8127332185. The cubic root of 1948587916 is about 1249.0313382962.

The spelling of 1948587916 in words is "one billion, nine hundred forty-eight million, five hundred eighty-seven thousand, nine hundred sixteen".