6631898 has 24 divisors (see below), whose sum is σ = 12315168. Its totient is φ = 2622672.

The previous prime is 6631883. The next prime is 6631901. The reversal of 6631898 is 8981366.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 965 + ... + 3767.

It is an arithmetic number, because the mean of its divisors is an integer number (513132).

Almost surely, 2^6631898 is an apocalyptic number.

6631898 is a deficient number, since it is larger than the sum of its proper divisors (5683270).

6631898 is a wasteful number, since it uses less digits than its factorization.

6631898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838 (or 2825 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 6631898 is about 2575.2471726030. The cubic root of 6631898 is about 187.8794496519.

The spelling of 6631898 in words is "six million, six hundred thirty-one thousand, eight hundred ninety-eight".