3959550 has 96 divisors (see below), whose sum is σ = 12499200. Its totient is φ = 902880.

The previous prime is 3959539. The next prime is 3959551. The reversal of 3959550 is 559593.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3959551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9241 + ... + 9659.

It is an arithmetic number, because the mean of its divisors is an integer number (130200).

Almost surely, 2^3959550 is an apocalyptic number.

3959550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3959550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6249600).

3959550 is an abundant number, since it is smaller than the sum of its proper divisors (8539650).

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

3959550 is a wasteful number, since it uses less digits than its factorization.

3959550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 30375, while the sum is 36.

The square root of 3959550 is about 1989.8618042467. The cubic root of 3959550 is about 158.2032048696.

The spelling of 3959550 in words is "three million, nine hundred fifty-nine thousand, five hundred fifty".