4089950 has 12 divisors (see below), whose sum is σ = 7607400. Its totient is φ = 1635960.

The previous prime is 4089949. The next prime is 4089973. The reversal of 4089950 is 599804.

It is a self number, because there is not a number n which added to its sum of digits gives 4089950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40850 + ... + 40949.

It is an arithmetic number, because the mean of its divisors is an integer number (633950).

Almost surely, 2^4089950 is an apocalyptic number.

4089950 is a deficient number, since it is larger than the sum of its proper divisors (3517450).

4089950 is a wasteful number, since it uses less digits than its factorization.

4089950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81811 (or 81806 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 4089950 is about 2022.3624798735. The cubic root of 4089950 is about 159.9211851411.

The spelling of 4089950 in words is "four million, eighty-nine thousand, nine hundred fifty".