3998123146 has 8 divisors (see below), whose sum is σ = 6312826080. Its totient is φ = 1893847788.

The previous prime is 3998123131. The next prime is 3998123167. The reversal of 3998123146 is 6413218993.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 3998123096 and 3998123105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52606846 + ... + 52606921.

It is an arithmetic number, because the mean of its divisors is an integer number (789103260).

Almost surely, 2^3998123146 is an apocalyptic number.

3998123146 is a deficient number, since it is larger than the sum of its proper divisors (2314702934).

3998123146 is a wasteful number, since it uses less digits than its factorization.

3998123146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105213788.

The product of its digits is 279936, while the sum is 46.

The square root of 3998123146 is about 63230.7136287422. The cubic root of 3998123146 is about 1587.1527364587.

The spelling of 3998123146 in words is "three billion, nine hundred ninety-eight million, one hundred twenty-three thousand, one hundred forty-six".