6434929 has 4 divisors (see below), whose sum is σ = 6608884. Its totient is φ = 6260976.

The previous prime is 6434927. The next prime is 6434933. The reversal of 6434929 is 9294346.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4410000 + 2024929 = 2100^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 6434929 - 2¹ = 6434927 is a prime.

It is a super-2 number, since 2×6434929² = 82816622470082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 173917 = 6434929 / (6 + 4 + 3 + 4 + 9 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6434921) 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, 86922 + ... + 86995.

It is an arithmetic number, because the mean of its divisors is an integer number (1652221).

Almost surely, 2^6434929 is an apocalyptic number.

It is an amenable number.

6434929 is a deficient number, since it is larger than the sum of its proper divisors (173955).

6434929 is a wasteful number, since it uses less digits than its factorization.

6434929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173954.

The product of its digits is 46656, while the sum is 37.

The square root of 6434929 is about 2536.7161843612. The cubic root of 6434929 is about 186.0007033542. Note that the first 3 decimals are identical.

The spelling of 6434929 in words is "six million, four hundred thirty-four thousand, nine hundred twenty-nine".