3959506 has 8 divisors (see below), whose sum is σ = 6130944. Its totient is φ = 1915860.

The previous prime is 3959491. The next prime is 3959507. The reversal of 3959506 is 6059593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3959507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31870 + ... + 31993.

It is an arithmetic number, because the mean of its divisors is an integer number (766368).

Almost surely, 2^3959506 is an apocalyptic number.

3959506 is a deficient number, since it is larger than the sum of its proper divisors (2171438).

3959506 is a wasteful number, since it uses less digits than its factorization.

3959506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63896.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 3959506 is about 1989.8507481718. The cubic root of 3959506 is about 158.2026188631.

It can be divided in two parts, 3959 and 506, that added together give a triangular number (4465 = T₉₄).

The spelling of 3959506 in words is "three million, nine hundred fifty-nine thousand, five hundred six".