3520349 has 8 divisors (see below), whose sum is σ = 4034688. Its totient is φ = 3008880.

The previous prime is 3520333. The next prime is 3520351. The reversal of 3520349 is 9430253.

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

It is not a de Polignac number, because 3520349 - 2⁴ = 3520333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520399) 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, 4019 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (504336).

Almost surely, 2^3520349 is an apocalyptic number.

It is an amenable number.

3520349 is a deficient number, since it is larger than the sum of its proper divisors (514339).

3520349 is an equidigital number, since it uses as much as digits as its factorization.

3520349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435.

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

The square root of 3520349 is about 1876.2593104366. The cubic root of 3520349 is about 152.1231256522.

The spelling of 3520349 in words is "three million, five hundred twenty thousand, three hundred forty-nine".