6655998 has 16 divisors (see below), whose sum is σ = 13351680. Its totient is φ = 2212056.

The previous prime is 6655997. The next prime is 6656003. The reversal of 6655998 is 8995566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655997) 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, 811 + ... + 3737.

It is an arithmetic number, because the mean of its divisors is an integer number (834480).

Almost surely, 2^6655998 is an apocalyptic number.

6655998 is an abundant number, since it is smaller than the sum of its proper divisors (6695682).

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

6655998 is a wasteful number, since it uses less digits than its factorization.

6655998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311.

The product of its digits is 583200, while the sum is 48.

The square root of 6655998 is about 2579.9220918470. The cubic root of 6655998 is about 188.1067561768.

The spelling of 6655998 in words is "six million, six hundred fifty-five thousand, nine hundred ninety-eight".