3998223560 has 16 divisors (see below), whose sum is σ = 8996003100. Its totient is φ = 1599289408.

The previous prime is 3998223553. The next prime is 3998223611. The reversal of 3998223560 is 653228993.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3982367236 + 15856324 = 63106^2 + 3982^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49977755 + ... + 49977834.

Almost surely, 2^3998223560 is an apocalyptic number.

It is an amenable number.

3998223560 is an abundant number, since it is smaller than the sum of its proper divisors (4997779540).

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

3998223560 is a wasteful number, since it uses less digits than its factorization.

3998223560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99955600 (or 99955596 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 3998223560 is about 63231.5076524354. The cubic root of 3998223560 is about 1587.1660236116.

The spelling of 3998223560 in words is "three billion, nine hundred ninety-eight million, two hundred twenty-three thousand, five hundred sixty".