4638345 has 8 divisors (see below), whose sum is σ = 7421376. Its totient is φ = 2473776.

The previous prime is 4638329. The next prime is 4638353. The reversal of 4638345 is 5438364.

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

It is not a de Polignac number, because 4638345 - 2⁴ = 4638329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154597 + ... + 154626.

It is an arithmetic number, because the mean of its divisors is an integer number (927672).

Almost surely, 2^4638345 is an apocalyptic number.

It is an amenable number.

4638345 is a deficient number, since it is larger than the sum of its proper divisors (2783031).

4638345 is a wasteful number, since it uses less digits than its factorization.

4638345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309231.

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

The square root of 4638345 is about 2153.6817313614. The cubic root of 4638345 is about 166.7711855522.

The spelling of 4638345 in words is "four million, six hundred thirty-eight thousand, three hundred forty-five".