3998342 has 8 divisors (see below), whose sum is σ = 6006000. Its totient is φ = 1996344.

The previous prime is 3998339. The next prime is 3998353. The reversal of 3998342 is 2438993.

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 = 3998296 and 3998305.

It is a congruent number.

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, 2084 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (750750).

Almost surely, 2^3998342 is an apocalyptic number.

3998342 is a deficient number, since it is larger than the sum of its proper divisors (2007658).

3998342 is a wasteful number, since it uses less digits than its factorization.

3998342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830.

The product of its digits is 46656, while the sum is 38.

The square root of 3998342 is about 1999.5854570385. The cubic root of 3998342 is about 158.7181695746.

The spelling of 3998342 in words is "three million, nine hundred ninety-eight thousand, three hundred forty-two".