6598444 has 6 divisors (see below), whose sum is σ = 11547284. Its totient is φ = 3299220.

The previous prime is 6598439. The next prime is 6598481. The reversal of 6598444 is 4448956.

It is a super-2 number, since 2×6598444² = 87078926442272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6598397 and 6598406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824802 + ... + 824809.

Almost surely, 2^6598444 is an apocalyptic number.

It is an amenable number.

6598444 is a deficient number, since it is larger than the sum of its proper divisors (4948840).

6598444 is a wasteful number, since it uses less digits than its factorization.

6598444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649615 (or 1649613 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 6598444 is about 2568.7436617927. The cubic root of 6598444 is about 187.5630034199.

The spelling of 6598444 in words is "six million, five hundred ninety-eight thousand, four hundred forty-four".