9770420 has 48 divisors (see below), whose sum is σ = 22680000. Its totient is φ = 3505920.

The previous prime is 9770401. The next prime is 9770441. The reversal of 9770420 is 240779.

It is a super-2 number, since 2×9770420² = 190922213952800, which contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 19331 + ... + 19829.

It is an arithmetic number, because the mean of its divisors is an integer number (472500).

Almost surely, 2^9770420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9770420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11340000).

9770420 is an abundant number, since it is smaller than the sum of its proper divisors (12909580).

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

9770420 is a wasteful number, since it uses less digits than its factorization.

9770420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 9770420 is about 3125.7671058478. The cubic root of 9770420 is about 213.7819714383.

The spelling of 9770420 in words is "nine million, seven hundred seventy thousand, four hundred twenty".