2000478 has 16 divisors (see below), whose sum is σ = 4139280. Its totient is φ = 643776.

The previous prime is 2000447. The next prime is 2000497. The reversal of 2000478 is 8740002.

It is a happy number.

It is a Curzon number.

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, 5575 + ... + 5922.

It is an arithmetic number, because the mean of its divisors is an integer number (258705).

2^2000478 is an apocalyptic number.

2000478 is an abundant number, since it is smaller than the sum of its proper divisors (2138802).

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

2000478 is a wasteful number, since it uses less digits than its factorization.

2000478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11531.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2000478 is about 1414.3825507973. The cubic root of 2000478 is about 126.0021415610.

The spelling of 2000478 in words is "two million, four hundred seventy-eight", and thus it is an aban number.