3998038045 has 16 divisors (see below), whose sum is σ = 5121290880. Its totient is φ = 2987409600.

The previous prime is 3998038021. The next prime is 3998038061. The reversal of 3998038045 is 5408308993.

It is not a de Polignac number, because 3998038045 - 2²⁹ = 3461167133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3998038045.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 289626 + ... + 303115.

It is an arithmetic number, because the mean of its divisors is an integer number (320080680).

Almost surely, 2^3998038045 is an apocalyptic number.

It is an amenable number.

3998038045 is a deficient number, since it is larger than the sum of its proper divisors (1123252835).

3998038045 is a wasteful number, since it uses less digits than its factorization.

3998038045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592836.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 3998038045 is about 63230.0406847884. The cubic root of 3998038045 is about 1587.1414754045.

The spelling of 3998038045 in words is "three billion, nine hundred ninety-eight million, thirty-eight thousand, forty-five".