3908340 has 36 divisors (see below), whose sum is σ = 11855844. Its totient is φ = 1042176.

The previous prime is 3908339. The next prime is 3908363. The reversal of 3908340 is 438093.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 2702736 = 1098^2 + 1644^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 10677 + ... + 11036.

It is an arithmetic number, because the mean of its divisors is an integer number (329329).

Almost surely, 2^3908340 is an apocalyptic number.

3908340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3908340 is an abundant number, since it is smaller than the sum of its proper divisors (7947504).

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

3908340 is a wasteful number, since it uses less digits than its factorization.

3908340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21728 (or 21723 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3908340 is about 1976.9521997256. The cubic root of 3908340 is about 157.5182140689.

The spelling of 3908340 in words is "three million, nine hundred eight thousand, three hundred forty".