3658345 has 8 divisors (see below), whose sum is σ = 4439880. Its totient is φ = 2893440.

The previous prime is 3658337. The next prime is 3658351. The reversal of 3658345 is 5438563.

It can be written as a sum of positive squares in 4 ways, for example, as 627264 + 3031081 = 792^2 + 1741^2 .

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

It is not a de Polignac number, because 3658345 - 2³ = 3658337 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 3658345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3666 + ... + 4555.

It is an arithmetic number, because the mean of its divisors is an integer number (554985).

Almost surely, 2^3658345 is an apocalyptic number.

It is an amenable number.

3658345 is a deficient number, since it is larger than the sum of its proper divisors (781535).

3658345 is an equidigital number, since it uses as much as digits as its factorization.

3658345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315.

The product of its digits is 43200, while the sum is 34.

The square root of 3658345 is about 1912.6800568835. The cubic root of 3658345 is about 154.0854223334.

The spelling of 3658345 in words is "three million, six hundred fifty-eight thousand, three hundred forty-five".