9864994 has 4 divisors (see below), whose sum is σ = 14797494. Its totient is φ = 4932496.

The previous prime is 9864989. The next prime is 9865007. The reversal of 9864994 is 4994689.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9381969 + 483025 = 3063^2 + 695^2 .

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2466247 + ... + 2466250.

Almost surely, 2^9864994 is an apocalyptic number.

9864994 is a deficient number, since it is larger than the sum of its proper divisors (4932500).

9864994 is a wasteful number, since it uses less digits than its factorization.

9864994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932499.

The product of its digits is 559872, while the sum is 49.

The square root of 9864994 is about 3140.8587997553. The cubic root of 9864994 is about 214.4695341636.

The spelling of 9864994 in words is "nine million, eight hundred sixty-four thousand, nine hundred ninety-four".