435421 has 8 divisors (see below), whose sum is σ = 527040. Its totient is φ = 351168.

The previous prime is 435419. The next prime is 435427. The reversal of 435421 is 124534.

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 435421 - 2¹ = 435419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (435427) 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 in 7 ways as a sum of consecutive naturals, for example, 1711 + ... + 1948.

It is an arithmetic number, because the mean of its divisors is an integer number (65880).

2⁴³⁵⁴²¹ is an apocalyptic number.

It is an amenable number.

435421 is a deficient number, since it is larger than the sum of its proper divisors (91619).

435421 is a wasteful number, since it uses less digits than its factorization.

435421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683.

The product of its digits is 480, while the sum is 19.

The square root of 435421 is about 659.8643800055. The cubic root of 435421 is about 75.7942843949.

Adding to 435421 its reverse (124534), we get a palindrome (559955).

The spelling of 435421 in words is "four hundred thirty-five thousand, four hundred twenty-one".