9402040 has 16 divisors (see below), whose sum is σ = 21154680. Its totient is φ = 3760800.

The previous prime is 9402023. The next prime is 9402047. The reversal of 9402040 is 402049.

It is a junction number, because it is equal to n+sod(n) for n = 9401999 and 9402017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9402047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117486 + ... + 117565.

Almost surely, 2^9402040 is an apocalyptic number.

It is an amenable number.

9402040 is an abundant number, since it is smaller than the sum of its proper divisors (11752640).

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

9402040 is a wasteful number, since it uses less digits than its factorization.

9402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235062 (or 235058 counting only the distinct ones).

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

The square root of 9402040 is about 3066.2746126203. The cubic root of 9402040 is about 211.0606954609.

Adding to 9402040 its reverse (402049), we get a palindrome (9804089).

The spelling of 9402040 in words is "nine million, four hundred two thousand, forty".