421310434 has 8 divisors (see below), whose sum is σ = 653757660. Its totient is φ = 203391216.

The previous prime is 421310413. The next prime is 421310441. The reversal of 421310434 is 434013124.

It can be written as a sum of positive squares in 2 ways, for example, as 368064225 + 53246209 = 19185^2 + 7297^2 .

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

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, 3631929 + ... + 3632044.

Almost surely, 2^421310434 is an apocalyptic number.

421310434 is a deficient number, since it is larger than the sum of its proper divisors (232447226).

421310434 is a wasteful number, since it uses less digits than its factorization.

421310434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264004.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 421310434 is about 20525.8479483796. The cubic root of 421310434 is about 749.6652930209.

Adding to 421310434 its reverse (434013124), we get a palindrome (855323558).

The spelling of 421310434 in words is "four hundred twenty-one million, three hundred ten thousand, four hundred thirty-four".