906420 has 24 divisors (see below), whose sum is σ = 2538144. Its totient is φ = 241696.

The previous prime is 906403. The next prime is 906421. The reversal of 906420 is 24609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906421) 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, 7494 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (105756).

2⁹⁰⁶⁴²⁰ is an apocalyptic number.

It is an amenable number.

906420 is an abundant number, since it is smaller than the sum of its proper divisors (1631724).

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

906420 is a wasteful number, since it uses less digits than its factorization.

906420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15119 (or 15117 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 906420 is about 952.0609224204. The cubic root of 906420 is about 96.7779666629. Note that the first 3 decimals are identical.

It can be divided in two parts, 906 and 420, that added together give a triangular number (1326 = T₅₁).

The spelling of 906420 in words is "nine hundred six thousand, four hundred twenty".