434894847 has 4 divisors (see below), whose sum is σ = 579859800. Its totient is φ = 289929896.

The previous prime is 434894827. The next prime is 434894881. The reversal of 434894847 is 748498434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 434894847 - 2²³ = 426506239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434894847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434894827) 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, 72482472 + ... + 72482477.

It is an arithmetic number, because the mean of its divisors is an integer number (144964950).

Almost surely, 2^434894847 is an apocalyptic number.

434894847 is a deficient number, since it is larger than the sum of its proper divisors (144964953).

434894847 is a wasteful number, since it uses less digits than its factorization.

434894847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144964952.

The product of its digits is 3096576, while the sum is 51.

The square root of 434894847 is about 20854.1326120268. The cubic root of 434894847 is about 757.6374271678.

The spelling of 434894847 in words is "four hundred thirty-four million, eight hundred ninety-four thousand, eight hundred forty-seven".