9678949 has 8 divisors (see below), whose sum is σ = 11136128. Its totient is φ = 8240400.

The previous prime is 9678947. The next prime is 9678959. The reversal of 9678949 is 9498769.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9678949 - 2¹ = 9678947 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9678896 and 9678905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9678947) 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 in 7 ways as a sum of consecutive naturals, for example, 3522 + ... + 5635.

It is an arithmetic number, because the mean of its divisors is an integer number (1392016).

Almost surely, 2^9678949 is an apocalyptic number.

It is an amenable number.

9678949 is a deficient number, since it is larger than the sum of its proper divisors (1457179).

9678949 is a wasteful number, since it uses less digits than its factorization.

9678949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9315.

The product of its digits is 979776, while the sum is 52.

The square root of 9678949 is about 3111.1009305389. The cubic root of 9678949 is about 213.1127339340.

The spelling of 9678949 in words is "nine million, six hundred seventy-eight thousand, nine hundred forty-nine".