4654639 has 8 divisors (see below), whose sum is σ = 5345280. Its totient is φ = 4008600.

The previous prime is 4654631. The next prime is 4654649. The reversal of 4654639 is 9364564.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4654639 - 2³ = 4654631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4654598 and 4654607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4654631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10927 + ... + 11344.

It is an arithmetic number, because the mean of its divisors is an integer number (668160).

Almost surely, 2^4654639 is an apocalyptic number.

4654639 is a deficient number, since it is larger than the sum of its proper divisors (690641).

4654639 is a wasteful number, since it uses less digits than its factorization.

4654639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22301.

The product of its digits is 77760, while the sum is 37.

The square root of 4654639 is about 2157.4612395128. The cubic root of 4654639 is about 166.9662403222.

The spelling of 4654639 in words is "four million, six hundred fifty-four thousand, six hundred thirty-nine".