6328445 has 8 divisors (see below), whose sum is σ = 7719000. Its totient is φ = 4979520.

The previous prime is 6328411. The next prime is 6328459. The reversal of 6328445 is 5448236.

It can be written as a sum of positive squares in 4 ways, for example, as 515524 + 5812921 = 718^2 + 2411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6328445 - 2²² = 2134141 is a prime.

It is a super-2 number, since 2×6328445² = 80098432236050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10070 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (964875).

Almost surely, 2^6328445 is an apocalyptic number.

It is an amenable number.

6328445 is a deficient number, since it is larger than the sum of its proper divisors (1390555).

6328445 is a wasteful number, since it uses less digits than its factorization.

6328445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20815.

The product of its digits is 23040, while the sum is 32.

The square root of 6328445 is about 2515.6400775946. The cubic root of 6328445 is about 184.9690233014.

The spelling of 6328445 in words is "six million, three hundred twenty-eight thousand, four hundred forty-five".