3520943 has 8 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 3414808.

The previous prime is 3520939. The next prime is 3520973. The reversal of 3520943 is 3490253.

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

It is a cyclic number.

It is not a de Polignac number, because 3520943 - 2² = 3520939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520903) 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, 4538 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 2^3520943 is an apocalyptic number.

3520943 is a deficient number, since it is larger than the sum of its proper divisors (107857).

3520943 is an equidigital number, since it uses as much as digits as its factorization.

3520943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

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

The square root of 3520943 is about 1876.4175974447. The cubic root of 3520943 is about 152.1316812485.

The spelling of 3520943 in words is "three million, five hundred twenty thousand, nine hundred forty-three".