6018399 has 12 divisors (see below), whose sum is σ = 8993400. Its totient is φ = 3873744.

The previous prime is 6018377. The next prime is 6018401. The reversal of 6018399 is 9938106.

It is not a de Polignac number, because 6018399 - 2⁵ = 6018367 is a prime.

It is a super-2 number, since 2×6018399² = 72442253046402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6018329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11269 + ... + 11790.

It is an arithmetic number, because the mean of its divisors is an integer number (749450).

Almost surely, 2^6018399 is an apocalyptic number.

6018399 is a deficient number, since it is larger than the sum of its proper divisors (2975001).

6018399 is a wasteful number, since it uses less digits than its factorization.

6018399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23094 (or 23091 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 6018399 is about 2453.2425481391. The cubic root of 6018399 is about 181.8976097587.

The spelling of 6018399 in words is "six million, eighteen thousand, three hundred ninety-nine".