3998484056 has 16 divisors (see below), whose sum is σ = 8568180240. Its totient is φ = 1713636000.

The previous prime is 3998484053. The next prime is 3998484073. The reversal of 3998484056 is 6504848993.

It is a happy number.

It is a super-2 number, since 2×3998484056² = 31975749492172422272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 71401501 = 3998484056 / (3 + 9 + 9 + 8 + 4 + 8 + 4 + 0 + 5 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 3998483992 and 3998484010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998484053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35700695 + ... + 35700806.

It is an arithmetic number, because the mean of its divisors is an integer number (535511265).

Almost surely, 2^3998484056 is an apocalyptic number.

It is an amenable number.

3998484056 is an abundant number, since it is smaller than the sum of its proper divisors (4569696184).

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

3998484056 is a wasteful number, since it uses less digits than its factorization.

3998484056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71401514 (or 71401510 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The square root of 3998484056 is about 63233.5674780413. The cubic root of 3998484056 is about 1587.2004923713.

The spelling of 3998484056 in words is "three billion, nine hundred ninety-eight million, four hundred eighty-four thousand, fifty-six".