6446461 has 8 divisors (see below), whose sum is σ = 7439744. Its totient is φ = 5471280.

The previous prime is 6446459. The next prime is 6446477. The reversal of 6446461 is 1646446.

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

It is a cyclic number.

It is not a de Polignac number, because 6446461 - 2¹ = 6446459 is a prime.

It is a Duffinian number.

6446461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6443461) 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, 3750 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (929968).

Almost surely, 2^6446461 is an apocalyptic number.

It is an amenable number.

6446461 is a deficient number, since it is larger than the sum of its proper divisors (993283).

6446461 is a wasteful number, since it uses less digits than its factorization.

6446461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9051.

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

The square root of 6446461 is about 2538.9881842970. The cubic root of 6446461 is about 186.1117473176. Note that the first 3 decimals are identical.

The spelling of 6446461 in words is "six million, four hundred forty-six thousand, four hundred sixty-one".