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BaseRepresentation
bin1100100100010
322211022
41210202
5201214
645442
724521
oct14442
98738
106434
11491a
123882
132c0c
1424b8
151d8e
hex1922

6434 has 4 divisors (see below), whose sum is σ = 9654. Its totient is φ = 3216.

The previous prime is 6427. The next prime is 6449. The reversal of 6434 is 4346.

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

It can be written as a sum of positive squares in only one way, i.e., 4225 + 2209 = 65^2 + 47^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607 + ... + 1610.

26434 is an apocalyptic number.

6434 is a deficient number, since it is larger than the sum of its proper divisors (3220).

6434 is a wasteful number, since it uses less digits than its factorization.

6434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219.

The product of its digits is 288, while the sum is 17.

The square root of 6434 is about 80.2122185206. The cubic root of 6434 is about 18.5991752053.

The spelling of 6434 in words is "six thousand, four hundred thirty-four".

Divisors: 1 2 3217 6434