6434290 has 8 divisors (see below), whose sum is σ = 11581740. Its totient is φ = 2573712.

The previous prime is 6434287. The next prime is 6434297. The reversal of 6434290 is 924346.

It can be written as a sum of positive squares in 2 ways, for example, as 5861241 + 573049 = 2421^2 + 757^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6434297) 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, 321705 + ... + 321724.

Almost surely, 2^6434290 is an apocalyptic number.

6434290 is a deficient number, since it is larger than the sum of its proper divisors (5147450).

6434290 is a wasteful number, since it uses less digits than its factorization.

6434290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643436.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 6434290 is about 2536.5902309991. The cubic root of 6434290 is about 185.9945464158.

It can be divided in two parts, 6434 and 290, that added together give a square (6724 = 82²).

The spelling of 6434290 in words is "six million, four hundred thirty-four thousand, two hundred ninety".