6998147 has 8 divisors (see below), whose sum is σ = 7560000. Its totient is φ = 6439680.

The previous prime is 6998113. The next prime is 6998153. The reversal of 6998147 is 7418996.

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

It is not a de Polignac number, because 6998147 - 2⁸ = 6997891 is a prime.

It is a super-2 number, since 2×6998147² = 97948122867218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6998098 and 6998107.

It is not an unprimeable number, because it can be changed into a prime (6998107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4979 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (945000).

Almost surely, 2^6998147 is an apocalyptic number.

6998147 is a deficient number, since it is larger than the sum of its proper divisors (561853).

6998147 is a wasteful number, since it uses less digits than its factorization.

6998147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693.

The product of its digits is 108864, while the sum is 44.

The square root of 6998147 is about 2645.4011038026. The cubic root of 6998147 is about 191.2762374472.

The spelling of 6998147 in words is "six million, nine hundred ninety-eight thousand, one hundred forty-seven".