9428040 has 48 divisors (see below), whose sum is σ = 30642300. Its totient is φ = 2514048.

The previous prime is 9428033. The next prime is 9428063. The reversal of 9428040 is 408249.

9428040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9326916 + 101124 = 3054^2 + 318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9427995 and 9428013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12735 + ... + 13454.

Almost surely, 2^9428040 is an apocalyptic number.

9428040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9428040 is an abundant number, since it is smaller than the sum of its proper divisors (21214260).

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

9428040 is a wasteful number, since it uses less digits than its factorization.

9428040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26206 (or 26199 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 9428040 is about 3070.5113580640. The cubic root of 9428040 is about 211.2550691453.

The spelling of 9428040 in words is "nine million, four hundred twenty-eight thousand, forty".