9630978 has 16 divisors (see below), whose sum is σ = 22013760. Its totient is φ = 2751696.

The previous prime is 9630977. The next prime is 9630979. The reversal of 9630978 is 8790369.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9630977) and next prime (9630979).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 229309 = 9630978 / (9 + 6 + 3 + 0 + 9 + 7 + 8).

It is not an unprimeable number, because it can be changed into a prime (9630977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114613 + ... + 114696.

It is an arithmetic number, because the mean of its divisors is an integer number (1375860).

Almost surely, 2^9630978 is an apocalyptic number.

9630978 is an abundant number, since it is smaller than the sum of its proper divisors (12382782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9630978 is a wasteful number, since it uses less digits than its factorization.

9630978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229321.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9630978 is about 3103.3817038837. The cubic root of 9630978 is about 212.7600728085.

The spelling of 9630978 in words is "nine million, six hundred thirty thousand, nine hundred seventy-eight".