421241434 has 8 divisors (see below), whose sum is σ = 639475200. Its totient is φ = 208083036.

The previous prime is 421241413. The next prime is 421241441. The reversal of 421241434 is 434142124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421241399 and 421241408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268634 + ... + 1268965.

It is an arithmetic number, because the mean of its divisors is an integer number (79934400).

Almost surely, 2^421241434 is an apocalyptic number.

421241434 is a deficient number, since it is larger than the sum of its proper divisors (218233766).

421241434 is a wasteful number, since it uses less digits than its factorization.

421241434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537684.

The product of its digits is 3072, while the sum is 25.

The square root of 421241434 is about 20524.1670720154. The cubic root of 421241434 is about 749.6243653777.

Adding to 421241434 its reverse (434142124), we get a palindrome (855383558).

The spelling of 421241434 in words is "four hundred twenty-one million, two hundred forty-one thousand, four hundred thirty-four".