4642660 has 48 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 1648640.

The previous prime is 4642657. The next prime is 4642661. The reversal of 4642660 is 662464.

4642660 = 291² + 292² + ... + 337².

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4642661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10116 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 2^4642660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4642660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443200).

4642660 is an abundant number, since it is smaller than the sum of its proper divisors (6243740).

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

4642660 is a wasteful number, since it uses less digits than its factorization.

4642660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 4642660 is about 2154.6832713882. The cubic root of 4642660 is about 166.8228846410.

The spelling of 4642660 in words is "four million, six hundred forty-two thousand, six hundred sixty".