3998716442 has 24 divisors (see below), whose sum is σ = 7016362560. Its totient is φ = 1704154200.

The previous prime is 3998716373. The next prime is 3998716471. The reversal of 3998716442 is 2446178993.

It is a super-2 number, since 2×3998716442² = 31979466367042278728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96434 + ... + 131517.

It is an arithmetic number, because the mean of its divisors is an integer number (292348440).

Almost surely, 2^3998716442 is an apocalyptic number.

3998716442 is a deficient number, since it is larger than the sum of its proper divisors (3017646118).

3998716442 is a wasteful number, since it uses less digits than its factorization.

3998716442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228146 (or 228139 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 3998716442 is about 63235.4049722147. The cubic root of 3998716442 is about 1587.2312403600.

The spelling of 3998716442 in words is "three billion, nine hundred ninety-eight million, seven hundred sixteen thousand, four hundred forty-two".