9864494 has 4 divisors (see below), whose sum is σ = 14796744. Its totient is φ = 4932246.

The previous prime is 9864487. The next prime is 9864497. The reversal of 9864494 is 4944689.

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: 4944689 = 79 ⋅62591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9864497) by changing a digit.

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, 2466122 + ... + 2466125.

It is an arithmetic number, because the mean of its divisors is an integer number (3699186).

Almost surely, 2^9864494 is an apocalyptic number.

9864494 is a deficient number, since it is larger than the sum of its proper divisors (4932250).

9864494 is a wasteful number, since it uses less digits than its factorization.

9864494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932249.

The product of its digits is 248832, while the sum is 44.

The square root of 9864494 is about 3140.7792026820. The cubic root of 9864494 is about 214.4659106919.

The spelling of 9864494 in words is "nine million, eight hundred sixty-four thousand, four hundred ninety-four".