4000050 has 48 divisors (see below), whose sum is σ = 11026080. Its totient is φ = 1066320.

The previous prime is 4000043. The next prime is 4000063. The reversal of 4000050 is 500004.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3999996 and 4000041.

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, 132 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (229710).

Almost surely, 2^4000050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4000050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5513040).

4000050 is an abundant number, since it is smaller than the sum of its proper divisors (7026030).

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

4000050 is a wasteful number, since it uses less digits than its factorization.

4000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 9.

The square root of 4000050 is about 2000.0124999609. The cubic root of 4000050 is about 158.7407666112.

Adding to 4000050 its reverse (500004), we get a palindrome (4500054).

The spelling of 4000050 in words is "four million, fifty", and thus it is an aban number and an eban number.