8000478 has 16 divisors (see below), whose sum is σ = 17778960. Its totient is φ = 2666808.

The previous prime is 8000441. The next prime is 8000479. The reversal of 8000478 is 8740008.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74025 + ... + 74132.

It is an arithmetic number, because the mean of its divisors is an integer number (1111185).

Almost surely, 2^8000478 is an apocalyptic number.

8000478 is an abundant number, since it is smaller than the sum of its proper divisors (9778482).

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

8000478 is a wasteful number, since it uses less digits than its factorization.

8000478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148168 (or 148162 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 8000478 is about 2828.5116227444. The cubic root of 8000478 is about 200.0039832540.

The spelling of 8000478 in words is "eight million, four hundred seventy-eight", and thus it is an aban number.