8492978 has 16 divisors (see below), whose sum is σ = 13789440. Its totient is φ = 3899856.

The previous prime is 8492971. The next prime is 8492993. The reversal of 8492978 is 8792948.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8492971) 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, 5183 + ... + 6621.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^8492978 is an apocalyptic number.

8492978 is a deficient number, since it is larger than the sum of its proper divisors (5296462).

8492978 is a wasteful number, since it uses less digits than its factorization.

8492978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681.

The product of its digits is 290304, while the sum is 47.

The square root of 8492978 is about 2914.2714355392. The cubic root of 8492978 is about 204.0265408247.

The spelling of 8492978 in words is "eight million, four hundred ninety-two thousand, nine hundred seventy-eight".