6091998 has 32 divisors (see below), whose sum is σ = 13381632. Its totient is φ = 1833600.

The previous prime is 6091997. The next prime is 6092011. The reversal of 6091998 is 8991906.

It is a super-2 number, since 2×6091998² = 74224879264008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6091991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15715 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (418176).

Almost surely, 2^6091998 is an apocalyptic number.

6091998 is an abundant number, since it is smaller than the sum of its proper divisors (7289634).

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

6091998 is a wasteful number, since it uses less digits than its factorization.

6091998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 6091998 is about 2468.1973178820. The cubic root of 6091998 is about 182.6360829031.

The spelling of 6091998 in words is "six million, ninety-one thousand, nine hundred ninety-eight".