420476 has 12 divisors (see below), whose sum is σ = 841008. Its totient is φ = 180192.

The previous prime is 420467. The next prime is 420479. The reversal of 420476 is 674024.

420476 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420479) by changing a digit.

420476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 7481 + ... + 7536.

It is an arithmetic number, because the mean of its divisors is an integer number (70084).

2⁴²⁰⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

420476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420476 is a wasteful number, since it uses less digits than its factorization.

420476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15028 (or 15026 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 420476 is about 648.4412078207. The cubic root of 420476 is about 74.9170044868.

The spelling of 420476 in words is "four hundred twenty thousand, four hundred seventy-six".