6364489 has 4 divisors (see below), whose sum is σ = 6375060. Its totient is φ = 6353920.

The previous prime is 6364483. The next prime is 6364493. The reversal of 6364489 is 9844636.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3674889 + 2689600 = 1917^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 6364489 - 2⁹ = 6363977 is a prime.

It is a super-2 number, since 2×6364489² = 81013440462242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6364483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324 + ... + 5605.

It is an arithmetic number, because the mean of its divisors is an integer number (1593765).

Almost surely, 2^6364489 is an apocalyptic number.

It is an amenable number.

6364489 is a deficient number, since it is larger than the sum of its proper divisors (10571).

6364489 is an equidigital number, since it uses as much as digits as its factorization.

6364489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10570.

The product of its digits is 124416, while the sum is 40.

The square root of 6364489 is about 2522.7938877364. The cubic root of 6364489 is about 185.3195257240.

The spelling of 6364489 in words is "six million, three hundred sixty-four thousand, four hundred eighty-nine".