420344 has 8 divisors (see below), whose sum is σ = 788160. Its totient is φ = 210168.

The previous prime is 420341. The next prime is 420349. The reversal of 420344 is 443024.

420344 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 an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420344.

It is not an unprimeable number, because it can be changed into a prime (420341) 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, 26264 + ... + 26279.

It is an arithmetic number, because the mean of its divisors is an integer number (98520).

2⁴²⁰³⁴⁴ is an apocalyptic number.

It is an amenable number.

420344 is a deficient number, since it is larger than the sum of its proper divisors (367816).

420344 is a wasteful number, since it uses less digits than its factorization.

420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52549 (or 52545 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 420344 is about 648.3394172808. The cubic root of 420344 is about 74.9091641030.

Adding to 420344 its reverse (443024), we get a palindrome (863368).

The spelling of 420344 in words is "four hundred twenty thousand, three hundred forty-four", and thus it is an iban number.