8103978 has 48 divisors (see below), whose sum is σ = 18345600. Its totient is φ = 2583360.

The previous prime is 8103971. The next prime is 8103983. The reversal of 8103978 is 8793018.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8103971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58233 + ... + 58371.

It is an arithmetic number, because the mean of its divisors is an integer number (382200).

Almost surely, 2^8103978 is an apocalyptic number.

8103978 is an abundant number, since it is smaller than the sum of its proper divisors (10241622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8103978 is a wasteful number, since it uses less digits than its factorization.

8103978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 8103978 is about 2846.7486717306. The cubic root of 8103978 is about 200.8627562401.

The spelling of 8103978 in words is "eight million, one hundred three thousand, nine hundred seventy-eight".