3998111603 has 8 divisors (see below), whose sum is σ = 4061197872. Its totient is φ = 3935501856.

The previous prime is 3998111581. The next prime is 3998111617. The reversal of 3998111603 is 3061118993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3998111603 - 2⁶ = 3998111539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3998111653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102200 + ... + 135797.

It is an arithmetic number, because the mean of its divisors is an integer number (507649734).

Almost surely, 2^3998111603 is an apocalyptic number.

3998111603 is a deficient number, since it is larger than the sum of its proper divisors (63086269).

3998111603 is a wasteful number, since it uses less digits than its factorization.

3998111603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238261.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 3998111603 is about 63230.6223518320. The cubic root of 3998111603 is about 1587.1512090318.

The spelling of 3998111603 in words is "three billion, nine hundred ninety-eight million, one hundred eleven thousand, six hundred three".