3908949 has 8 divisors (see below), whose sum is σ = 5685792. Its totient is φ = 2369040.

The previous prime is 3908921. The next prime is 3909019. The reversal of 3908949 is 9498093.

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

It is not a de Polignac number, because 3908949 - 2⁸ = 3908693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3908949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3908549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 59194 + ... + 59259.

It is an arithmetic number, because the mean of its divisors is an integer number (710724).

Almost surely, 2^3908949 is an apocalyptic number.

It is an amenable number.

3908949 is a deficient number, since it is larger than the sum of its proper divisors (1776843).

3908949 is a wasteful number, since it uses less digits than its factorization.

3908949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118467.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 3908949 is about 1977.1062186944. The cubic root of 3908949 is about 157.5263951731.

It can be divided in two parts, 390 and 8949, that added together give a palindrome (9339).

The spelling of 3908949 in words is "three million, nine hundred eight thousand, nine hundred forty-nine".