1713985920 has 384 divisors, whose sum is σ = 6255325440. Its totient is φ = 448395264.

The previous prime is 1713985919. The next prime is 1713985943. The reversal of 1713985920 is 295893171.

1713985920 is a `hidden beast` number, since 171 + 398 + 5 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16018507 + ... + 16018613.

It is an arithmetic number, because the mean of its divisors is an integer number (16289910).

Almost surely, 2^1713985920 is an apocalyptic number.

1713985920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1713985920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3127662720).

1713985920 is an abundant number, since it is smaller than the sum of its proper divisors (4541339520).

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

1713985920 is a wasteful number, since it uses less digits than its factorization.

1713985920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 1713985920 is about 41400.3130422947. The cubic root of 1713985920 is about 1196.7471906598.

The spelling of 1713985920 in words is "one billion, seven hundred thirteen million, nine hundred eighty-five thousand, nine hundred twenty".