8992978 has 8 divisors (see below), whose sum is σ = 13518000. Its totient is φ = 4486980.

The previous prime is 8992937. The next prime is 8992979. The reversal of 8992978 is 8792998.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8992979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3508 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (1689750).

Almost surely, 2^8992978 is an apocalyptic number.

8992978 is a deficient number, since it is larger than the sum of its proper divisors (4525022).

8992978 is a wasteful number, since it uses less digits than its factorization.

8992978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9512.

The product of its digits is 653184, while the sum is 52.

The square root of 8992978 is about 2998.8294382976. The cubic root of 8992978 is about 207.9542706423.

The spelling of 8992978 in words is "eight million, nine hundred ninety-two thousand, nine hundred seventy-eight".