8249478 has 16 divisors (see below), whose sum is σ = 16663536. Its totient is φ = 2722400.

The previous prime is 8249459. The next prime is 8249489. The reversal of 8249478 is 8749428.

8249478 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6201 + ... + 7412.

It is an arithmetic number, because the mean of its divisors is an integer number (1041471).

Almost surely, 2^8249478 is an apocalyptic number.

8249478 is an abundant number, since it is smaller than the sum of its proper divisors (8414058).

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

8249478 is a wasteful number, since it uses less digits than its factorization.

8249478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719.

The product of its digits is 129024, while the sum is 42.

The square root of 8249478 is about 2872.1904532952. The cubic root of 8249478 is about 202.0577392699.

The spelling of 8249478 in words is "eight million, two hundred forty-nine thousand, four hundred seventy-eight".