434014021 has 8 divisors (see below), whose sum is σ = 506139200. Its totient is φ = 372011724.

The previous prime is 434014019. The next prime is 434014037. The reversal of 434014021 is 120410434.

It is not a de Polignac number, because 434014021 - 2¹ = 434014019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434014021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434014081) 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, 632331 + ... + 633016.

It is an arithmetic number, because the mean of its divisors is an integer number (63267400).

Almost surely, 2^434014021 is an apocalyptic number.

It is an amenable number.

434014021 is a deficient number, since it is larger than the sum of its proper divisors (72125179).

434014021 is an equidigital number, since it uses as much as digits as its factorization.

434014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265368 (or 1265354 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 434014021 is about 20833.0031680504. The cubic root of 434014021 is about 757.1255809905.

Adding to 434014021 its reverse (120410434), we get a palindrome (554424455).

The spelling of 434014021 in words is "four hundred thirty-four million, fourteen thousand, twenty-one".