6021999 has 8 divisors (see below), whose sum is σ = 8921520. Its totient is φ = 4014648.

The previous prime is 6021997. The next prime is 6022057. The reversal of 6021999 is 9991206.

It is not a de Polignac number, because 6021999 - 2¹ = 6021997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6021991) 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, 111492 + ... + 111545.

It is an arithmetic number, because the mean of its divisors is an integer number (1115190).

Almost surely, 2^6021999 is an apocalyptic number.

6021999 is a deficient number, since it is larger than the sum of its proper divisors (2899521).

6021999 is a wasteful number, since it uses less digits than its factorization.

6021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223046 (or 223040 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 6021999 is about 2453.9761612534. The cubic root of 6021999 is about 181.9338708348.

It can be divided in two parts, 602 and 1999, that added together give a square (2601 = 51²).

The spelling of 6021999 in words is "six million, twenty-one thousand, nine hundred ninety-nine".