4009800 has 96 divisors (see below), whose sum is σ = 12811680. Its totient is φ = 1036800.

The previous prime is 4009799. The next prime is 4009823. The reversal of 4009800 is 89004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24519 + ... + 24681.

It is an arithmetic number, because the mean of its divisors is an integer number (133455).

Almost surely, 2^4009800 is an apocalyptic number.

4009800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4009800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6405840).

4009800 is an abundant number, since it is smaller than the sum of its proper divisors (8801880).

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

4009800 is a wasteful number, since it uses less digits than its factorization.

4009800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 4009800 is about 2002.4485012105. The cubic root of 4009800 is about 158.8696372224.

The spelling of 4009800 in words is "four million, nine thousand, eight hundred".