3998630376 has 96 divisors (see below), whose sum is σ = 11752060320. Its totient is φ = 1220918400.

The previous prime is 3998630347. The next prime is 3998630381. The reversal of 3998630376 is 6730368993.

3998630376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106311 + ... + 138921.

It is an arithmetic number, because the mean of its divisors is an integer number (122417295).

Almost surely, 2^3998630376 is an apocalyptic number.

3998630376 is a gapful number since it is divisible by the number (36) 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 3998630376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5876030160).

3998630376 is an abundant number, since it is smaller than the sum of its proper divisors (7753429944).

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

3998630376 is a wasteful number, since it uses less digits than its factorization.

3998630376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32767 (or 32760 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The square root of 3998630376 is about 63234.7244478854. The cubic root of 3998630376 is about 1587.2198527372.

The spelling of 3998630376 in words is "three billion, nine hundred ninety-eight million, six hundred thirty thousand, three hundred seventy-six".