3950909 has 8 divisors (see below), whose sum is σ = 4047360. Its totient is φ = 3855600.

The previous prime is 3950899. The next prime is 3950911. The reversal of 3950909 is 9090593.

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

It is a cyclic number.

It is not a de Polignac number, because 3950909 - 2⁴ = 3950893 is a prime.

It is an Ulam number.

It is a Duffinian number.

3950909 is a modest number, since divided by 909 gives 395 as remainder.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3950929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14444 + ... + 14714.

It is an arithmetic number, because the mean of its divisors is an integer number (505920).

Almost surely, 2^3950909 is an apocalyptic number.

It is an amenable number.

3950909 is a deficient number, since it is larger than the sum of its proper divisors (96451).

3950909 is a wasteful number, since it uses less digits than its factorization.

3950909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 3950909 is about 1987.6893620483. The cubic root of 3950909 is about 158.0880377812.

The spelling of 3950909 in words is "three million, nine hundred fifty thousand, nine hundred nine".