6211998 has 32 divisors (see below), whose sum is σ = 14868000. Its totient is φ = 1911168.

The previous prime is 6211981. The next prime is 6212009. The reversal of 6211998 is 8991126.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (464625).

Almost surely, 2^6211998 is an apocalyptic number.

6211998 is an abundant number, since it is smaller than the sum of its proper divisors (8656002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6211998 is a wasteful number, since it uses less digits than its factorization.

6211998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873 (or 8867 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 6211998 is about 2492.3880115263. The cubic root of 6211998 is about 183.8274808605.

The spelling of 6211998 in words is "six million, two hundred eleven thousand, nine hundred ninety-eight".