3909658 has 8 divisors (see below), whose sum is σ = 6053760. Its totient is φ = 1891740.

The previous prime is 3909641. The next prime is 3909667. The reversal of 3909658 is 8569093.

3909658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3909658.

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 3 ways as a sum of consecutive naturals, for example, 31468 + ... + 31591.

It is an arithmetic number, because the mean of its divisors is an integer number (756720).

Almost surely, 2^3909658 is an apocalyptic number.

3909658 is a deficient number, since it is larger than the sum of its proper divisors (2144102).

3909658 is a wasteful number, since it uses less digits than its factorization.

3909658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63092.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 3909658 is about 1977.2855130203. The cubic root of 3909658 is about 157.5359185738.

The spelling of 3909658 in words is "three million, nine hundred nine thousand, six hundred fifty-eight".