4640847 has 8 divisors (see below), whose sum is σ = 6551856. Its totient is φ = 2911872.

The previous prime is 4640843. The next prime is 4640863. The reversal of 4640847 is 7480464.

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

It is not a de Polignac number, because 4640847 - 2² = 4640843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640843) 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, 45448 + ... + 45549.

It is an arithmetic number, because the mean of its divisors is an integer number (818982).

Almost surely, 2^4640847 is an apocalyptic number.

4640847 is a deficient number, since it is larger than the sum of its proper divisors (1911009).

4640847 is a wasteful number, since it uses less digits than its factorization.

4640847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91017.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 4640847 is about 2154.2625188217. The cubic root of 4640847 is about 166.8011665406.

The spelling of 4640847 in words is "four million, six hundred forty thousand, eight hundred forty-seven".