9842894 has 4 divisors (see below), whose sum is σ = 14764344. Its totient is φ = 4921446.

The previous prime is 9842879. The next prime is 9842909. The reversal of 9842894 is 4982489.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4982489 = 223 ⋅22343.

It is an interprime number because it is at equal distance from previous prime (9842879) and next prime (9842909).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460722 + ... + 2460725.

It is an arithmetic number, because the mean of its divisors is an integer number (3691086).

Almost surely, 2^9842894 is an apocalyptic number.

9842894 is a deficient number, since it is larger than the sum of its proper divisors (4921450).

9842894 is a wasteful number, since it uses less digits than its factorization.

9842894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921449.

The product of its digits is 165888, while the sum is 44.

The square root of 9842894 is about 3137.3386811117. The cubic root of 9842894 is about 214.3092596773.

The spelling of 9842894 in words is "nine million, eight hundred forty-two thousand, eight hundred ninety-four".