3909369 has 8 divisors (see below), whose sum is σ = 5284192. Its totient is φ = 2570400.

The previous prime is 3909361. The next prime is 3909397. The reversal of 3909369 is 9639093.

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

It is not a de Polignac number, because 3909369 - 2³ = 3909361 is a prime.

It is a super-2 number, since 2×3909369² = 30566331956322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3909361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8707 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (660524).

Almost surely, 2^3909369 is an apocalyptic number.

It is an amenable number.

3909369 is a deficient number, since it is larger than the sum of its proper divisors (1374823).

3909369 is a wasteful number, since it uses less digits than its factorization.

3909369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17927.

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 3909369 is about 1977.2124316825. The cubic root of 3909369 is about 157.5320368189.

It can be divided in two parts, 3909 and 369, that added together give a triangular number (4278 = T₉₂).

The spelling of 3909369 in words is "three million, nine hundred nine thousand, three hundred sixty-nine".