6213998 has 16 divisors (see below), whose sum is σ = 10834560. Its totient is φ = 2617656.

The previous prime is 6213997. The next prime is 6214031. The reversal of 6213998 is 8993126.

It is a super-2 number, since 2×6213998² = 77227542288008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6213997) 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, 2936 + ... + 4587.

It is an arithmetic number, because the mean of its divisors is an integer number (677160).

Almost surely, 2^6213998 is an apocalyptic number.

6213998 is a deficient number, since it is larger than the sum of its proper divisors (4620562).

6213998 is a wasteful number, since it uses less digits than its factorization.

6213998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591.

The product of its digits is 23328, while the sum is 38.

The square root of 6213998 is about 2492.7892008752. The cubic root of 6213998 is about 183.8472069622.

Adding to 6213998 its product of digits (23328), we get a palindrome (6237326).

The spelling of 6213998 in words is "six million, two hundred thirteen thousand, nine hundred ninety-eight".