3999204834 has 32 divisors (see below), whose sum is σ = 8118528000. Its totient is φ = 1313127504.

The previous prime is 3999204827. The next prime is 3999204841. The reversal of 3999204834 is 4384029993.

It is an interprime number because it is at equal distance from previous prime (3999204827) and next prime (3999204841).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198477 + ... + 217695.

It is an arithmetic number, because the mean of its divisors is an integer number (253704000).

Almost surely, 2^3999204834 is an apocalyptic number.

3999204834 is an abundant number, since it is smaller than the sum of its proper divisors (4119323166).

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

3999204834 is a wasteful number, since it uses less digits than its factorization.

3999204834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19742.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The square root of 3999204834 is about 63239.2665517240. The cubic root of 3999204834 is about 1587.2958577186.

The spelling of 3999204834 in words is "three billion, nine hundred ninety-nine million, two hundred four thousand, eight hundred thirty-four".