6434791 has 4 divisors (see below), whose sum is σ = 7019784. Its totient is φ = 5849800.

The previous prime is 6434773. The next prime is 6434833. The reversal of 6434791 is 1974346.

It is a happy number.

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

It is not a de Polignac number, because 6434791 - 2⁵ = 6434759 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434191) 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, 292480 + ... + 292501.

It is an arithmetic number, because the mean of its divisors is an integer number (1754946).

Almost surely, 2^6434791 is an apocalyptic number.

6434791 is a deficient number, since it is larger than the sum of its proper divisors (584993).

6434791 is a wasteful number, since it uses less digits than its factorization.

6434791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584992.

The product of its digits is 18144, while the sum is 34.

The square root of 6434791 is about 2536.6889836951. The cubic root of 6434791 is about 185.9993737213. Note that the first 3 decimals are identical.

It can be divided in two parts, 6434 and 791, that added together give a square (7225 = 85²).

The spelling of 6434791 in words is "six million, four hundred thirty-four thousand, seven hundred ninety-one".