9649994 has 4 divisors (see below), whose sum is σ = 14474994. Its totient is φ = 4824996.

The previous prime is 9649987. The next prime is 9650023. The reversal of 9649994 is 4999469.

It is a happy number.

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., 9333025 + 316969 = 3055^2 + 563^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2412497 + ... + 2412500.

Almost surely, 2^9649994 is an apocalyptic number.

9649994 is a deficient number, since it is larger than the sum of its proper divisors (4825000).

9649994 is a wasteful number, since it uses less digits than its factorization.

9649994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824999.

The product of its digits is 629856, while the sum is 50.

The square root of 9649994 is about 3106.4439476675. The cubic root of 9649994 is about 212.9000096412.

The spelling of 9649994 in words is "nine million, six hundred forty-nine thousand, nine hundred ninety-four".