1909348 has 48 divisors (see below), whose sum is σ = 4170880. Its totient is φ = 746496.

The previous prime is 1909343. The next prime is 1909363. The reversal of 1909348 is 8439091.

It is not an unprimeable number, because it can be changed into a prime (1909343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19636 + ... + 19732.

2^1909348 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 1909348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2085440).

1909348 is an abundant number, since it is smaller than the sum of its proper divisors (2261532).

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

1909348 is a wasteful number, since it uses less digits than its factorization.

1909348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1909348 is about 1381.7915906532. The cubic root of 1909348 is about 124.0590249689.

The spelling of 1909348 in words is "one million, nine hundred nine thousand, three hundred forty-eight".