421336 has 8 divisors (see below), whose sum is σ = 790020. Its totient is φ = 210664.

The previous prime is 421331. The next prime is 421339. The reversal of 421336 is 633124.

421336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26326 + ... + 26341.

2⁴²¹³³⁶ is an apocalyptic number.

It is an amenable number.

421336 is a deficient number, since it is larger than the sum of its proper divisors (368684).

421336 is a wasteful number, since it uses less digits than its factorization.

421336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52673 (or 52669 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 421336 is about 649.1039978309. The cubic root of 421336 is about 74.9680456468.

It can be divided in two parts, 421 and 336, that added together give a palindrome (757).

The spelling of 421336 in words is "four hundred twenty-one thousand, three hundred thirty-six".