4649647 has 4 divisors (see below), whose sum is σ = 4654216. Its totient is φ = 4645080.

The previous prime is 4649629. The next prime is 4649651. The reversal of 4649647 is 7469464.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4649647 - 2¹⁵ = 4616879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649677) 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, 13 + ... + 3049.

It is an arithmetic number, because the mean of its divisors is an integer number (1163554).

Almost surely, 2^4649647 is an apocalyptic number.

4649647 is a deficient number, since it is larger than the sum of its proper divisors (4569).

4649647 is a wasteful number, since it uses less digits than its factorization.

4649647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568.

The product of its digits is 145152, while the sum is 40.

The square root of 4649647 is about 2156.3040138162. The cubic root of 4649647 is about 166.9065297397.

The spelling of 4649647 in words is "four million, six hundred forty-nine thousand, six hundred forty-seven".