9428940 has 96 divisors (see below), whose sum is σ = 30912000. Its totient is φ = 2379456.

The previous prime is 9428917. The next prime is 9428941. The reversal of 9428940 is 498249.

It is a happy number.

9428940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9428895 and 9428904.

It is not an unprimeable number, because it can be changed into a prime (9428941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9801 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (322000).

Almost surely, 2^9428940 is an apocalyptic number.

9428940 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9428940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15456000).

9428940 is an abundant number, since it is smaller than the sum of its proper divisors (21483060).

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

9428940 is a wasteful number, since it uses less digits than its factorization.

9428940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 9428940 is about 3070.6579099600. The cubic root of 9428940 is about 211.2617910625.

The spelling of 9428940 in words is "nine million, four hundred twenty-eight thousand, nine hundred forty".