434304921 has 8 divisors (see below), whose sum is σ = 587716384. Its totient is φ = 285215040.

The previous prime is 434304919. The next prime is 434304943. The reversal of 434304921 is 129403434.

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

It is not a de Polignac number, because 434304921 - 2¹ = 434304919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434304901) 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, 1080160 + ... + 1080561.

It is an arithmetic number, because the mean of its divisors is an integer number (73464548).

Almost surely, 2^434304921 is an apocalyptic number.

It is an amenable number.

434304921 is a deficient number, since it is larger than the sum of its proper divisors (153411463).

434304921 is a wasteful number, since it uses less digits than its factorization.

434304921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160791.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 434304921 is about 20839.9837092067. The cubic root of 434304921 is about 757.2946989082.

The spelling of 434304921 in words is "four hundred thirty-four million, three hundred four thousand, nine hundred twenty-one".