3909348 has 54 divisors (see below), whose sum is σ = 10301382. Its totient is φ = 1249920.

The previous prime is 3909343. The next prime is 3909359. The reversal of 3909348 is 8439093.

It can be written as a sum of positive squares in only one way, i.e., 2214144 + 1695204 = 1488^2 + 1302^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3909341) 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 17 ways as a sum of consecutive naturals, for example, 34540 + ... + 34652.

Almost surely, 2^3909348 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 3909348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5150691).

3909348 is an abundant number, since it is smaller than the sum of its proper divisors (6392034).

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

3909348 is a wasteful number, since it uses less digits than its factorization.

3909348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3909348 is about 1977.2071211686. The cubic root of 3909348 is about 157.5317547462.

The spelling of 3909348 in words is "three million, nine hundred nine thousand, three hundred forty-eight".