4005900 has 54 divisors (see below), whose sum is σ = 12559092. Its totient is φ = 1068000.

The previous prime is 4005893. The next prime is 4005901. The reversal of 4005900 is 95004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4005901) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1326 + ... + 3125.

Almost surely, 2^4005900 is an apocalyptic number.

It is an amenable number.

4005900 is an abundant number, since it is smaller than the sum of its proper divisors (8553192).

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

4005900 is a wasteful number, since it uses less digits than its factorization.

4005900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471 (or 4461 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 4005900 is about 2001.4744564945. The cubic root of 4005900 is about 158.8181140734.

The spelling of 4005900 in words is "four million, five thousand, nine hundred".