9242889 has 4 divisors (see below), whose sum is σ = 12323856. Its totient is φ = 6161924.

The previous prime is 9242887. The next prime is 9242897. The reversal of 9242889 is 9882429.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9882429 = 3 ⋅3294143.

It is a cyclic number.

It is not a de Polignac number, because 9242889 - 2¹ = 9242887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9242889.

It is not an unprimeable number, because it can be changed into a prime (9242887) 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, 1540479 + ... + 1540484.

It is an arithmetic number, because the mean of its divisors is an integer number (3080964).

Almost surely, 2^9242889 is an apocalyptic number.

It is an amenable number.

9242889 is a deficient number, since it is larger than the sum of its proper divisors (3080967).

9242889 is a wasteful number, since it uses less digits than its factorization.

9242889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080966.

The product of its digits is 82944, while the sum is 42.

The square root of 9242889 is about 3040.2119991869. The cubic root of 9242889 is about 209.8630172417.

The spelling of 9242889 in words is "nine million, two hundred forty-two thousand, eight hundred eighty-nine".