434333387 has 8 divisors (see below), whose sum is σ = 439335936. Its totient is φ = 429346152.

The previous prime is 434333381. The next prime is 434333413. The reversal of 434333387 is 783333434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 434333387 - 2¹⁶ = 434267851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 434333387.

It is not an unprimeable number, because it can be changed into a prime (434333381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59048 + ... + 65994.

It is an arithmetic number, because the mean of its divisors is an integer number (54916992).

Almost surely, 2^434333387 is an apocalyptic number.

434333387 is a deficient number, since it is larger than the sum of its proper divisors (5002549).

434333387 is a wasteful number, since it uses less digits than its factorization.

434333387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657.

The product of its digits is 217728, while the sum is 38.

The square root of 434333387 is about 20840.6666640009. Note that the first 5 decimals coincide. The cubic root of 434333387 is about 757.3112438738.

The spelling of 434333387 in words is "four hundred thirty-four million, three hundred thirty-three thousand, three hundred eighty-seven".