4644642 has 8 divisors (see below), whose sum is σ = 9289296. Its totient is φ = 1548212.

The previous prime is 4644631. The next prime is 4644667. The reversal of 4644642 is 2464464.

4644642 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

4644642 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387048 + ... + 387059.

It is an arithmetic number, because the mean of its divisors is an integer number (1161162).

Almost surely, 2^4644642 is an apocalyptic number.

4644642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4644642 is a wasteful number, since it uses less digits than its factorization.

4644642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774112.

The product of its digits is 18432, while the sum is 30.

The square root of 4644642 is about 2155.1431506979. The cubic root of 4644642 is about 166.8466207404.

The spelling of 4644642 in words is "four million, six hundred forty-four thousand, six hundred forty-two".