4051908 has 54 divisors (see below), whose sum is σ = 11919726. Its totient is φ = 1157184.

The previous prime is 4051891. The next prime is 4051939. The reversal of 4051908 is 8091504.

It can be written as a sum of positive squares in only one way, i.e., 3415104 + 636804 = 1848^2 + 798^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 616 + ... + 2912.

Almost surely, 2^4051908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4051908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5959863).

4051908 is an abundant number, since it is smaller than the sum of its proper divisors (7867818).

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

4051908 is a wasteful number, since it uses less digits than its factorization.

4051908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 4051908 is about 2012.9351703421. The cubic root of 4051908 is about 159.4238129605.

The spelling of 4051908 in words is "four million, fifty-one thousand, nine hundred eight".