420044 has 12 divisors (see below), whose sum is σ = 740544. Its totient is φ = 208464.

The previous prime is 420041. The next prime is 420047. The reversal of 420044 is 440024.

It is an interprime number because it is at equal distance from previous prime (420041) and next prime (420047).

It is a super-3 number, since 3×420044³ = 222333861718335552, which contains 333 as substring.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (61712).

2⁴²⁰⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

420044 is a deficient number, since it is larger than the sum of its proper divisors (320500).

420044 is a wasteful number, since it uses less digits than its factorization.

420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 420044 is about 648.1080156887. The cubic root of 420044 is about 74.8913389427.

Adding to 420044 its reverse (440024), we get a palindrome (860068).

The spelling of 420044 in words is "four hundred twenty thousand, forty-four", and thus it is an iban number.