4001950 has 12 divisors (see below), whose sum is σ = 7443720. Its totient is φ = 1600760.

The previous prime is 4001947. The next prime is 4001999. The reversal of 4001950 is 591004.

4001950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39970 + ... + 40069.

It is an arithmetic number, because the mean of its divisors is an integer number (620310).

Almost surely, 2^4001950 is an apocalyptic number.

4001950 is a deficient number, since it is larger than the sum of its proper divisors (3441770).

4001950 is a wasteful number, since it uses less digits than its factorization.

4001950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80051 (or 80046 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 4001950 is about 2000.4874406004. The cubic root of 4001950 is about 158.7658962733.

Adding to 4001950 its reverse (591004), we get a palindrome (4592954).

The spelling of 4001950 in words is "four million, one thousand, nine hundred fifty".