600040 has 32 divisors (see below), whose sum is σ = 1543680. Its totient is φ = 205632.

The previous prime is 600011. The next prime is 600043. The reversal of 600040 is 40006.

600040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (600043) 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, 792 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (48240).

2⁶⁰⁰⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

600040 is an abundant number, since it is smaller than the sum of its proper divisors (943640).

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

600040 is a wasteful number, since it uses less digits than its factorization.

600040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 600040 is about 774.6224887001. The cubic root of 600040 is about 84.3451407833.

Adding to 600040 its reverse (40006), we get a palindrome (640046).

The spelling of 600040 in words is "six hundred thousand, forty".