434003421 has 32 divisors (see below), whose sum is σ = 626590080. Its totient is φ = 266213376.

The previous prime is 434003419. The next prime is 434003443. The reversal of 434003421 is 124300434.

It is not a de Polignac number, because 434003421 - 2¹ = 434003419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434003461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536065 + ... + 536873.

It is an arithmetic number, because the mean of its divisors is an integer number (19580940).

Almost surely, 2^434003421 is an apocalyptic number.

It is an amenable number.

434003421 is a deficient number, since it is larger than the sum of its proper divisors (192586659).

434003421 is a wasteful number, since it uses less digits than its factorization.

434003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 434003421 is about 20832.7487624653. The cubic root of 434003421 is about 757.1194171370.

Adding to 434003421 its reverse (124300434), we get a palindrome (558303855).

The spelling of 434003421 in words is "four hundred thirty-four million, three thousand, four hundred twenty-one".