4618646 has 4 divisors (see below), whose sum is σ = 6927972. Its totient is φ = 2309322.

The previous prime is 4618639. The next prime is 4618687. The reversal of 4618646 is 6468164.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154660 + ... + 1154663.

It is an arithmetic number, because the mean of its divisors is an integer number (1731993).

Almost surely, 2^4618646 is an apocalyptic number.

4618646 is a deficient number, since it is larger than the sum of its proper divisors (2309326).

4618646 is a wasteful number, since it uses less digits than its factorization.

4618646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309325.

The product of its digits is 27648, while the sum is 35.

The square root of 4618646 is about 2149.1035340346. The cubic root of 4618646 is about 166.5347587404.

The spelling of 4618646 in words is "four million, six hundred eighteen thousand, six hundred forty-six".