9291042 has 12 divisors (see below), whose sum is σ = 20130630. Its totient is φ = 3097008.

The previous prime is 9291031. The next prime is 9291047. The reversal of 9291042 is 2401929.

It can be written as a sum of positive squares in only one way, i.e., 8696601 + 594441 = 2949^2 + 771^2 .

It is a super-2 number, since 2×9291042² = 172646922891528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9290997 and 9291015.

It is not an unprimeable number, because it can be changed into a prime (9291047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258067 + ... + 258102.

Almost surely, 2^9291042 is an apocalyptic number.

9291042 is an abundant number, since it is smaller than the sum of its proper divisors (10839588).

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

9291042 is a wasteful number, since it uses less digits than its factorization.

9291042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516177 (or 516174 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 9291042 is about 3048.1210605880. The cubic root of 9291042 is about 210.2268297335.

The spelling of 9291042 in words is "nine million, two hundred ninety-one thousand, forty-two".