6464146 has 8 divisors (see below), whose sum is σ = 10442124. Its totient is φ = 2983440.

The previous prime is 6464141. The next prime is 6464153. The reversal of 6464146 is 6414646.

It can be written as a sum of positive squares in 2 ways, for example, as 6225025 + 239121 = 2495^2 + 489^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6464141) 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, 124285 + ... + 124336.

Almost surely, 2^6464146 is an apocalyptic number.

6464146 is a deficient number, since it is larger than the sum of its proper divisors (3977978).

6464146 is a wasteful number, since it uses less digits than its factorization.

6464146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248636.

The product of its digits is 13824, while the sum is 31.

The square root of 6464146 is about 2542.4684855471. The cubic root of 6464146 is about 186.2817827838.

The spelling of 6464146 in words is "six million, four hundred sixty-four thousand, one hundred forty-six".