434915421 has 16 divisors (see below), whose sum is σ = 590200320. Its totient is φ = 284800320.

The previous prime is 434915401. The next prime is 434915447. The reversal of 434915421 is 124519434.

It is not a de Polignac number, because 434915421 - 2¹⁵ = 434882653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434915401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201876 + ... + 204018.

It is an arithmetic number, because the mean of its divisors is an integer number (36887520).

Almost surely, 2^434915421 is an apocalyptic number.

It is an amenable number.

434915421 is a deficient number, since it is larger than the sum of its proper divisors (155284899).

434915421 is a wasteful number, since it uses less digits than its factorization.

434915421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316.

The product of its digits is 17280, while the sum is 33.

The square root of 434915421 is about 20854.6258897157. The cubic root of 434915421 is about 757.6493744134.

The spelling of 434915421 in words is "four hundred thirty-four million, nine hundred fifteen thousand, four hundred twenty-one".