9042940 has 24 divisors (see below), whose sum is σ = 19056240. Its totient is φ = 3604608.

The previous prime is 9042931. The next prime is 9042949. The reversal of 9042940 is 492409.

It is an interprime number because it is at equal distance from previous prime (9042931) and next prime (9042949).

It is a junction number, because it is equal to n+sod(n) for n = 9042899 and 9042908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6984 + ... + 8176.

It is an arithmetic number, because the mean of its divisors is an integer number (794010).

Almost surely, 2^9042940 is an apocalyptic number.

It is an amenable number.

9042940 is an abundant number, since it is smaller than the sum of its proper divisors (10013300).

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

9042940 is a wasteful number, since it uses less digits than its factorization.

9042940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 9042940 is about 3007.1481506570. The cubic root of 9042940 is about 208.3386679523.

It can be divided in two parts, 904 and 2940, that added together give a square (3844 = 62²).

The spelling of 9042940 in words is "nine million, forty-two thousand, nine hundred forty".