6998842 has 8 divisors (see below), whose sum is σ = 10538100. Its totient is φ = 3486144.

The previous prime is 6998837. The next prime is 6998851. The reversal of 6998842 is 2488996.

It can be written as a sum of positive squares in 2 ways, for example, as 5812921 + 1185921 = 2411^2 + 1089^2 .

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 = 6998792 and 6998801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5967 + ... + 7042.

Almost surely, 2^6998842 is an apocalyptic number.

6998842 is a deficient number, since it is larger than the sum of its proper divisors (3539258).

6998842 is a wasteful number, since it uses less digits than its factorization.

6998842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280.

The product of its digits is 248832, while the sum is 46.

The square root of 6998842 is about 2645.5324605833. The cubic root of 6998842 is about 191.2825692464.

The spelling of 6998842 in words is "six million, nine hundred ninety-eight thousand, eight hundred forty-two".