6018997 has 4 divisors (see below), whose sum is σ = 6034860. Its totient is φ = 6003136.

The previous prime is 6018973. The next prime is 6019001. The reversal of 6018997 is 7998106.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7998106 = 2 ⋅3999053.

It can be written as a sum of positive squares in 2 ways, for example, as 1962801 + 4056196 = 1401^2 + 2014^2 .

It is a cyclic number.

It is not a de Polignac number, because 6018997 - 2⁷ = 6018869 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6018937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7348 + ... + 8125.

It is an arithmetic number, because the mean of its divisors is an integer number (1508715).

Almost surely, 2^6018997 is an apocalyptic number.

It is an amenable number.

6018997 is a deficient number, since it is larger than the sum of its proper divisors (15863).

6018997 is a wasteful number, since it uses less digits than its factorization.

6018997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 6018997 is about 2453.3644246218. The cubic root of 6018997 is about 181.9036341276.

The spelling of 6018997 in words is "six million, eighteen thousand, nine hundred ninety-seven".