1913930888 has 16 divisors (see below), whose sum is σ = 3610111680. Its totient is φ = 951234448.

The previous prime is 1913930861. The next prime is 1913930957. The reversal of 1913930888 is 8880393191.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714956 + ... + 717627.

It is an arithmetic number, because the mean of its divisors is an integer number (225631980).

Almost surely, 2^1913930888 is an apocalyptic number.

It is an amenable number.

1913930888 is a deficient number, since it is larger than the sum of its proper divisors (1696180792).

1913930888 is a wasteful number, since it uses less digits than its factorization.

1913930888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432756 (or 1432752 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 50.

The square root of 1913930888 is about 43748.4958369999. The cubic root of 1913930888 is about 1241.5820268797.

The spelling of 1913930888 in words is "one billion, nine hundred thirteen million, nine hundred thirty thousand, eight hundred eighty-eight".