9042290 has 16 divisors (see below), whose sum is σ = 17133120. Its totient is φ = 3426480.

The previous prime is 9042251. The next prime is 9042307. The reversal of 9042290 is 922409.

It is a Curzon 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 in 7 ways as a sum of consecutive naturals, for example, 23606 + ... + 23985.

It is an arithmetic number, because the mean of its divisors is an integer number (1070820).

Almost surely, 2^9042290 is an apocalyptic number.

9042290 is a deficient number, since it is larger than the sum of its proper divisors (8090830).

9042290 is a wasteful number, since it uses less digits than its factorization.

9042290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47617.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 9042290 is about 3007.0400728956. The cubic root of 9042290 is about 208.3336760883. Note that the first 3 decimals are identical.

Adding to 9042290 its reverse (922409), we get a palindrome (9964699).

The spelling of 9042290 in words is "nine million, forty-two thousand, two hundred ninety".