64434291 has 8 divisors (see below), whose sum is σ = 86130384. Its totient is φ = 42847200.

The previous prime is 64434283. The next prime is 64434299. The reversal of 64434291 is 19243446.

It is an interprime number because it is at equal distance from previous prime (64434283) and next prime (64434299).

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

It is not a de Polignac number, because 64434291 - 2³ = 64434283 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (64434299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25860 + ... + 28241.

It is an arithmetic number, because the mean of its divisors is an integer number (10766298).

Almost surely, 2^64434291 is an apocalyptic number.

64434291 is a deficient number, since it is larger than the sum of its proper divisors (21696093).

64434291 is a wasteful number, since it uses less digits than its factorization.

64434291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54501.

The product of its digits is 20736, while the sum is 33.

The square root of 64434291 is about 8027.0972960342. The cubic root of 64434291 is about 400.9027340621.

The spelling of 64434291 in words is "sixty-four million, four hundred thirty-four thousand, two hundred ninety-one".