8623978 has 8 divisors (see below), whose sum is σ = 14112000. Its totient is φ = 3919980.

The previous prime is 8623969. The next prime is 8624003. The reversal of 8623978 is 8793268.

8623978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195978 + ... + 196021.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^8623978 is an apocalyptic number.

8623978 is a deficient number, since it is larger than the sum of its proper divisors (5488022).

8623978 is a wasteful number, since it uses less digits than its factorization.

8623978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392012.

The product of its digits is 145152, while the sum is 43.

The square root of 8623978 is about 2936.6610291281. The cubic root of 8623978 is about 205.0701960678.

The spelling of 8623978 in words is "eight million, six hundred twenty-three thousand, nine hundred seventy-eight".