3658443 has 4 divisors (see below), whose sum is σ = 4877928. Its totient is φ = 2438960.

The previous prime is 3658439. The next prime is 3658463. The reversal of 3658443 is 3448563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3448563 = 3 ⋅1149521.

It is a cyclic number.

It is not a de Polignac number, because 3658443 - 2² = 3658439 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3658423) 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, 609738 + ... + 609743.

It is an arithmetic number, because the mean of its divisors is an integer number (1219482).

Almost surely, 2^3658443 is an apocalyptic number.

3658443 is a deficient number, since it is larger than the sum of its proper divisors (1219485).

3658443 is a wasteful number, since it uses less digits than its factorization.

3658443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219484.

The product of its digits is 34560, while the sum is 33.

The square root of 3658443 is about 1912.7056752151. The cubic root of 3658443 is about 154.0867982047.

The spelling of 3658443 in words is "three million, six hundred fifty-eight thousand, four hundred forty-three".