9420426 has 12 divisors (see below), whose sum is σ = 20410962. Its totient is φ = 3140136.

The previous prime is 9420421. The next prime is 9420451. The reversal of 9420426 is 6240249.

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 1212201 = 2865^2 + 1101^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9420426.

It is not an unprimeable number, because it can be changed into a prime (9420421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 261661 + ... + 261696.

Almost surely, 2^9420426 is an apocalyptic number.

9420426 is an abundant number, since it is smaller than the sum of its proper divisors (10990536).

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

9420426 is a wasteful number, since it uses less digits than its factorization.

9420426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523365 (or 523362 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 9420426 is about 3069.2712490101. The cubic root of 9420426 is about 211.1981846004.

The spelling of 9420426 in words is "nine million, four hundred twenty thousand, four hundred twenty-six".