434995647 has 8 divisors (see below), whose sum is σ = 585127344. Its totient is φ = 287430528.

The previous prime is 434995637. The next prime is 434995663. The reversal of 434995647 is 746599434.

It is a happy number.

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

It is not a de Polignac number, because 434995647 - 2⁸ = 434995391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434995647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434995607) 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, 641248 + ... + 641925.

It is an arithmetic number, because the mean of its divisors is an integer number (73140918).

Almost surely, 2^434995647 is an apocalyptic number.

434995647 is a deficient number, since it is larger than the sum of its proper divisors (150131697).

434995647 is a wasteful number, since it uses less digits than its factorization.

434995647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283289.

The product of its digits is 3265920, while the sum is 51.

The square root of 434995647 is about 20856.5492591656. The cubic root of 434995647 is about 757.6959577556.

The spelling of 434995647 in words is "four hundred thirty-four million, nine hundred ninety-five thousand, six hundred forty-seven".