4198642 has 8 divisors (see below), whose sum is σ = 7197696. Its totient is φ = 1799412.

The previous prime is 4198637. The next prime is 4198669. The reversal of 4198642 is 2468914.

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

It is a d-powerful number, because it can be written as 4⁶ + 1 + 9 + 8 + 6³ + 4¹¹ + 2³ .

It is a junction number, because it is equal to n+sod(n) for n = 4198598 and 4198607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149938 + ... + 149965.

It is an arithmetic number, because the mean of its divisors is an integer number (899712).

Almost surely, 2^4198642 is an apocalyptic number.

4198642 is a deficient number, since it is larger than the sum of its proper divisors (2999054).

4198642 is a wasteful number, since it uses less digits than its factorization.

4198642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299912.

The product of its digits is 13824, while the sum is 34.

The square root of 4198642 is about 2049.0588083313. The cubic root of 4198642 is about 161.3254735525.

The spelling of 4198642 in words is "four million, one hundred ninety-eight thousand, six hundred forty-two".