4646642 has 48 divisors (see below), whose sum is σ = 9473856. Its totient is φ = 1663200.

The previous prime is 4646633. The next prime is 4646647. The reversal of 4646642 is 2466464.

It is a junction number, because it is equal to n+sod(n) for n = 4646599 and 4646608.

It is not an unprimeable number, because it can be changed into a prime (4646647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21917 + ... + 22127.

It is an arithmetic number, because the mean of its divisors is an integer number (197372).

Almost surely, 2^4646642 is an apocalyptic number.

4646642 is an abundant number, since it is smaller than the sum of its proper divisors (4827214).

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

4646642 is a wasteful number, since it uses less digits than its factorization.

4646642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 244 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 4646642 is about 2155.6071070582. The cubic root of 4646642 is about 166.8705655608.

It can be divided in two parts, 4 and 646642, that added together give a palindrome (646646).

The spelling of 4646642 in words is "four million, six hundred forty-six thousand, six hundred forty-two".