9400420 has 12 divisors (see below), whose sum is σ = 19740924. Its totient is φ = 3760160.

The previous prime is 9400397. The next prime is 9400463. The reversal of 9400420 is 240049.

It can be written as a sum of positive squares in 2 ways, for example, as 3407716 + 5992704 = 1846^2 + 2448^2 .

It is an unprimeable 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, 234991 + ... + 235030.

It is an arithmetic number, because the mean of its divisors is an integer number (1645077).

Almost surely, 2^9400420 is an apocalyptic number.

It is an amenable number.

9400420 is an abundant number, since it is smaller than the sum of its proper divisors (10340504).

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

9400420 is a wasteful number, since it uses less digits than its factorization.

9400420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470030 (or 470028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 9400420 is about 3066.0104370338. The cubic root of 9400420 is about 211.0485726320.

Adding to 9400420 its reverse (240049), we get a palindrome (9640469).

The spelling of 9400420 in words is "nine million, four hundred thousand, four hundred twenty".