9978614 has 8 divisors (see below), whose sum is σ = 14981760.
Its totient is φ = 4984696.
The previous prime is 9978613. The next prime is 9978637. The reversal of 9978614 is 4168799.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (9978613) 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 3 ways as a sum of consecutive naturals, for example, 2027 + ... + 4905.
It is an arithmetic number, because the mean of its divisors is an integer number (1872720).
Almost surely, 29978614 is an apocalyptic number.
9978614 is a deficient number, since it is larger than the sum of its proper divisors (5003146).
9978614 is a wasteful number, since it uses less digits than its factorization.
9978614 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4614.
The product of its digits is 108864, while the sum is 44.
The square root of 9978614 is about 3158.8944268525.
The cubic root of 9978614 is about 215.2897769215.
The spelling of 9978614 in words is "nine million, nine hundred seventy-eight thousand, six hundred fourteen".