6434957 has 4 divisors (see below), whose sum is σ = 6440220. Its totient is φ = 6429696.

The previous prime is 6434947. The next prime is 6434969. The reversal of 6434957 is 7594346.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3455881 + 2979076 = 1859^2 + 1726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6434957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6434957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434927) 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, 269 + ... + 3597.

It is an arithmetic number, because the mean of its divisors is an integer number (1610055).

Almost surely, 2^6434957 is an apocalyptic number.

It is an amenable number.

6434957 is a deficient number, since it is larger than the sum of its proper divisors (5263).

6434957 is a wasteful number, since it uses less digits than its factorization.

6434957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262.

The product of its digits is 90720, while the sum is 38.

The square root of 6434957 is about 2536.7217033013. The cubic root of 6434957 is about 186.0009731325. Note that the first 3 decimals are identical.

The spelling of 6434957 in words is "six million, four hundred thirty-four thousand, nine hundred fifty-seven".