3998044828 has 96 divisors (see below), whose sum is σ = 8031744000. Its totient is φ = 1731248640.

The previous prime is 3998044823. The next prime is 3998044889. The reversal of 3998044828 is 8284408993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998044823) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4822318 + ... + 4823146.

It is an arithmetic number, because the mean of its divisors is an integer number (83664000).

Almost surely, 2^3998044828 is an apocalyptic number.

3998044828 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3998044828 is an abundant number, since it is smaller than the sum of its proper divisors (4033699172).

3998044828 is a wasteful number, since it uses less digits than its factorization.

3998044828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The square root of 3998044828 is about 63230.0943222450. The cubic root of 3998044828 is about 1587.1423729760.

The spelling of 3998044828 in words is "three billion, nine hundred ninety-eight million, forty-four thousand, eight hundred twenty-eight".