6619698 has 32 divisors (see below), whose sum is σ = 15577920. Its totient is φ = 2076480.

The previous prime is 6619693. The next prime is 6619747. The reversal of 6619698 is 8969166.

It is a super-2 number, since 2×6619698² = 87640803222408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6619693) 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, 2688 + ... + 4523.

It is an arithmetic number, because the mean of its divisors is an integer number (486810).

Almost surely, 2^6619698 is an apocalyptic number.

6619698 is an abundant number, since it is smaller than the sum of its proper divisors (8958222).

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

6619698 is a wasteful number, since it uses less digits than its factorization.

6619698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239 (or 7233 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 6619698 is about 2572.8773775678. The cubic root of 6619698 is about 187.7641716297.

The spelling of 6619698 in words is "six million, six hundred nineteen thousand, six hundred ninety-eight".