3658349 has 4 divisors (see below), whose sum is σ = 3873564. Its totient is φ = 3443136.

The previous prime is 3658337. The next prime is 3658351. The reversal of 3658349 is 9438563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1155625 + 2502724 = 1075^2 + 1582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3658349 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3658309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107582 + ... + 107615.

It is an arithmetic number, because the mean of its divisors is an integer number (968391).

Almost surely, 2^3658349 is an apocalyptic number.

It is an amenable number.

3658349 is a deficient number, since it is larger than the sum of its proper divisors (215215).

3658349 is a wasteful number, since it uses less digits than its factorization.

3658349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215214.

The product of its digits is 77760, while the sum is 38.

The square root of 3658349 is about 1912.6811025364. The cubic root of 3658349 is about 154.0854784919.

It can be divided in two parts, 36 and 58349, that added together give a palindrome (58385).

The spelling of 3658349 in words is "three million, six hundred fifty-eight thousand, three hundred forty-nine".