6348890 has 16 divisors (see below), whose sum is σ = 11507400. Its totient is φ = 2521920.

The previous prime is 6348889. The next prime is 6348899. The reversal of 6348890 is 988436.

It can be written as a sum of positive squares in 4 ways, for example, as 5470921 + 877969 = 2339^2 + 937^2 .

It is not an unprimeable number, because it can be changed into a prime (6348899) 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, 641 + ... + 3620.

Almost surely, 2^6348890 is an apocalyptic number.

6348890 is a deficient number, since it is larger than the sum of its proper divisors (5158510).

6348890 is a wasteful number, since it uses less digits than its factorization.

6348890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6348890 is about 2519.7003790133. The cubic root of 6348890 is about 185.1679993286.

The spelling of 6348890 in words is "six million, three hundred forty-eight thousand, eight hundred ninety".