9040342 has 4 divisors (see below), whose sum is σ = 13560516. Its totient is φ = 4520170.

The previous prime is 9040331. The next prime is 9040397. The reversal of 9040342 is 2430409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2430409 = 431 ⋅5639.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260084 + ... + 2260087.

It is an arithmetic number, because the mean of its divisors is an integer number (3390129).

Almost surely, 2^9040342 is an apocalyptic number.

9040342 is a deficient number, since it is larger than the sum of its proper divisors (4520174).

9040342 is a wasteful number, since it uses less digits than its factorization.

9040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520173.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 9040342 is about 3006.7161488907. The cubic root of 9040342 is about 208.3187144231.

The spelling of 9040342 in words is "nine million, forty thousand, three hundred forty-two".