8486978 has 24 divisors (see below), whose sum is σ = 13894092. Its totient is φ = 3874304.

The previous prime is 8486941. The next prime is 8486983. The reversal of 8486978 is 8796848.

It can be written as a sum of positive squares in 2 ways, for example, as 8219689 + 267289 = 2867^2 + 517^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75050 + ... + 75162.

Almost surely, 2^8486978 is an apocalyptic number.

8486978 is a deficient number, since it is larger than the sum of its proper divisors (5407114).

8486978 is a wasteful number, since it uses less digits than its factorization.

8486978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 179 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 8486978 is about 2913.2418368546. The cubic root of 8486978 is about 203.9784835695.

The spelling of 8486978 in words is "eight million, four hundred eighty-six thousand, nine hundred seventy-eight".