3437645 has 12 divisors (see below), whose sum is σ = 4238580. Its totient is φ = 2676480.

The previous prime is 3437641. The next prime is 3437647. The reversal of 3437645 is 5467343.

3437645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 499849 + 2937796 = 707^2 + 1714^2 .

It is not a de Polignac number, because 3437645 - 2² = 3437641 is a prime.

It is a super-3 number, since 3×3437645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3437641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8201 + ... + 8609.

It is an arithmetic number, because the mean of its divisors is an integer number (353215).

Almost surely, 2^3437645 is an apocalyptic number.

It is an amenable number.

3437645 is a deficient number, since it is larger than the sum of its proper divisors (800935).

3437645 is an equidigital number, since it uses as much as digits as its factorization.

3437645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 455 counting only the distinct ones).

The product of its digits is 30240, while the sum is 32.

The square root of 3437645 is about 1854.0887249536. The cubic root of 3437645 is about 150.9223904205.

The spelling of 3437645 in words is "three million, four hundred thirty-seven thousand, six hundred forty-five".