420046 has 16 divisors (see below), whose sum is σ = 700848. Its totient is φ = 187200.

The previous prime is 420041. The next prime is 420047. The reversal of 420046 is 640024.

It is a plaindrome in base 16.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1186 + ... + 1498.

It is an arithmetic number, because the mean of its divisors is an integer number (43803).

2⁴²⁰⁰⁴⁶ is an apocalyptic number.

420046 is a deficient number, since it is larger than the sum of its proper divisors (280802).

420046 is a wasteful number, since it uses less digits than its factorization.

420046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 420046 is about 648.1095586396. The cubic root of 420046 is about 74.8914578052.

The spelling of 420046 in words is "four hundred twenty thousand, forty-six".