3999493580 has 24 divisors (see below), whose sum is σ = 8447492592. Its totient is φ = 1590548672.

The previous prime is 3999493571. The next prime is 3999493601. The reversal of 3999493580 is 853949993.

It is a super-2 number, since 2×3999493580² = 31991897792922432800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574502 + ... + 581421.

It is an arithmetic number, because the mean of its divisors is an integer number (351978858).

Almost surely, 2^3999493580 is an apocalyptic number.

It is an amenable number.

3999493580 is an abundant number, since it is smaller than the sum of its proper divisors (4447999012).

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

3999493580 is a wasteful number, since it uses less digits than its factorization.

3999493580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156105 (or 1156103 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 59.

The square root of 3999493580 is about 63241.5494750089. The cubic root of 3999493580 is about 1587.3340581708.

The spelling of 3999493580 in words is "three billion, nine hundred ninety-nine million, four hundred ninety-three thousand, five hundred eighty".