3509243 has 8 divisors (see below), whose sum is σ = 3717120. Its totient is φ = 3303720.

The previous prime is 3509221. The next prime is 3509251. The reversal of 3509243 is 3429053.

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

It is a de Polignac number, because none of the positive numbers 2^k-3509243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3509263) 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, 3146 + ... + 4112.

It is an arithmetic number, because the mean of its divisors is an integer number (464640).

Almost surely, 2^3509243 is an apocalyptic number.

3509243 is a deficient number, since it is larger than the sum of its proper divisors (207877).

3509243 is a wasteful number, since it uses less digits than its factorization.

3509243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3509243 is about 1873.2973602715. The cubic root of 3509243 is about 151.9629844076.

The spelling of 3509243 in words is "three million, five hundred nine thousand, two hundred forty-three".