421334355 has 64 divisors (see below), whose sum is σ = 778337280. Its totient is φ = 192969216.

The previous prime is 421334351. The next prime is 421334357. The reversal of 421334355 is 553433124.

It is not a de Polignac number, because 421334355 - 2² = 421334351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421334351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164676 + ... + 167214.

It is an arithmetic number, because the mean of its divisors is an integer number (12161520).

Almost surely, 2^421334355 is an apocalyptic number.

421334355 is a deficient number, since it is larger than the sum of its proper divisors (357002925).

421334355 is a wasteful number, since it uses less digits than its factorization.

421334355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620.

The product of its digits is 21600, while the sum is 30.

The square root of 421334355 is about 20526.4306444155. The cubic root of 421334355 is about 749.6794808206.

Adding to 421334355 its reverse (553433124), we get a palindrome (974767479).

The spelling of 421334355 in words is "four hundred twenty-one million, three hundred thirty-four thousand, three hundred fifty-five".