421434353 has 8 divisors (see below), whose sum is σ = 425863872. Its totient is φ = 417027856.

The previous prime is 421434341. The next prime is 421434371. The reversal of 421434353 is 353434124.

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

It is a cyclic number.

It is not a de Polignac number, because 421434353 - 2¹² = 421430257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421434253) 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, 32351 + ... + 43467.

It is an arithmetic number, because the mean of its divisors is an integer number (53232984).

Almost surely, 2^421434353 is an apocalyptic number.

It is an amenable number.

421434353 is a deficient number, since it is larger than the sum of its proper divisors (4429519).

421434353 is a wasteful number, since it uses less digits than its factorization.

421434353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11511.

The product of its digits is 17280, while the sum is 29.

The square root of 421434353 is about 20528.8663349928. The cubic root of 421434353 is about 749.7387848846.

Adding to 421434353 its reverse (353434124), we get a palindrome (774868477).

The spelling of 421434353 in words is "four hundred twenty-one million, four hundred thirty-four thousand, three hundred fifty-three".