6434661 has 8 divisors (see below), whose sum is σ = 8596000. Its totient is φ = 4281552.

The previous prime is 6434657. The next prime is 6434669. The reversal of 6434661 is 1664346.

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

It is not a de Polignac number, because 6434661 - 2² = 6434657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434669) 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, 90 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (1074500).

Almost surely, 2^6434661 is an apocalyptic number.

It is an amenable number.

6434661 is a deficient number, since it is larger than the sum of its proper divisors (2161339).

6434661 is a wasteful number, since it uses less digits than its factorization.

6434661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115.

The product of its digits is 10368, while the sum is 30.

The square root of 6434661 is about 2536.6633596124. The cubic root of 6434661 is about 185.9981211511.

The spelling of 6434661 in words is "six million, four hundred thirty-four thousand, six hundred sixty-one".