8478356 has 6 divisors (see below), whose sum is σ = 14837130. Its totient is φ = 4239176.

The previous prime is 8478319. The next prime is 8478361. The reversal of 8478356 is 6538748.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7728400 + 749956 = 2780^2 + 866^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059791 + ... + 1059798.

It is an arithmetic number, because the mean of its divisors is an integer number (2472855).

Almost surely, 2^8478356 is an apocalyptic number.

It is an amenable number.

8478356 is a deficient number, since it is larger than the sum of its proper divisors (6358774).

8478356 is a wasteful number, since it uses less digits than its factorization.

8478356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119593 (or 2119591 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 8478356 is about 2911.7616660709. The cubic root of 8478356 is about 203.9093856180.

The spelling of 8478356 in words is "eight million, four hundred seventy-eight thousand, three hundred fifty-six".