4642647 has 8 divisors (see below), whose sum is σ = 6230256. Its totient is φ = 3075072.

The previous prime is 4642643. The next prime is 4642657. The reversal of 4642647 is 7462464.

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

It is not a de Polignac number, because 4642647 - 2² = 4642643 is a prime.

It is a d-powerful number, because it can be written as 4 + 6⁶ + 4⁶ + 2 + 6⁷ + 4¹¹ + 7⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4458 + ... + 5399.

It is an arithmetic number, because the mean of its divisors is an integer number (778782).

Almost surely, 2^4642647 is an apocalyptic number.

4642647 is a deficient number, since it is larger than the sum of its proper divisors (1587609).

4642647 is a wasteful number, since it uses less digits than its factorization.

4642647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017.

The product of its digits is 32256, while the sum is 33.

The square root of 4642647 is about 2154.6802547014. The cubic root of 4642647 is about 166.8227289329.

The spelling of 4642647 in words is "four million, six hundred forty-two thousand, six hundred forty-seven".