4623646 has 4 divisors (see below), whose sum is σ = 6935472. Its totient is φ = 2311822.

The previous prime is 4623629. The next prime is 4623649. The reversal of 4623646 is 6463264.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4623649) 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 as a sum of consecutive naturals, namely, 1155910 + ... + 1155913.

It is an arithmetic number, because the mean of its divisors is an integer number (1733868).

Almost surely, 2^4623646 is an apocalyptic number.

4623646 is a deficient number, since it is larger than the sum of its proper divisors (2311826).

4623646 is a wasteful number, since it uses less digits than its factorization.

4623646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311825.

The product of its digits is 20736, while the sum is 31.

The square root of 4623646 is about 2150.2664951117. The cubic root of 4623646 is about 166.5948321544.

The spelling of 4623646 in words is "four million, six hundred twenty-three thousand, six hundred forty-six".