6998057 has 8 divisors (see below), whose sum is σ = 7731840. Its totient is φ = 6280560.

The previous prime is 6998053. The next prime is 6998059. The reversal of 6998057 is 7508996.

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

It is not a de Polignac number, because 6998057 - 2² = 6998053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6997999 and 6998017.

It is not an unprimeable number, because it can be changed into a prime (6998051) 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, 3158 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (966480).

Almost surely, 2^6998057 is an apocalyptic number.

It is an amenable number.

6998057 is a deficient number, since it is larger than the sum of its proper divisors (733783).

6998057 is a wasteful number, since it uses less digits than its factorization.

6998057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 6998057 is about 2645.3840930950. The cubic root of 6998057 is about 191.2754174714.

The spelling of 6998057 in words is "six million, nine hundred ninety-eight thousand, fifty-seven".