2003546864 has 40 divisors (see below), whose sum is σ = 4371386880. Its totient is φ = 881323200.

The previous prime is 2003546861. The next prime is 2003546869. The reversal of 2003546864 is 4686453002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003546861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178154 + ... + 189065.

It is an arithmetic number, because the mean of its divisors is an integer number (109284672).

Almost surely, 2^2003546864 is an apocalyptic number.

It is an amenable number.

2003546864 is an abundant number, since it is smaller than the sum of its proper divisors (2367840016).

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

2003546864 is a wasteful number, since it uses less digits than its factorization.

2003546864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367269 (or 367263 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 2003546864 is about 44760.9971291972. The cubic root of 2003546864 is about 1260.6654048163.

Adding to 2003546864 its reverse (4686453002), we get a palindrome (6689999866).

The spelling of 2003546864 in words is "two billion, three million, five hundred forty-six thousand, eight hundred sixty-four".