4211660 has 24 divisors (see below), whose sum is σ = 9131136. Its totient is φ = 1630080.

The previous prime is 4211659. The next prime is 4211671. The reversal of 4211660 is 661124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2777 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (380464).

Almost surely, 2^4211660 is an apocalyptic number.

It is an amenable number.

4211660 is an abundant number, since it is smaller than the sum of its proper divisors (4919476).

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

4211660 is a wasteful number, since it uses less digits than its factorization.

4211660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6833 (or 6831 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4211660 is about 2052.2329302494. The cubic root of 4211660 is about 161.4920328224.

Adding to 4211660 its reverse (661124), we get a palindrome (4872784).

The spelling of 4211660 in words is "four million, two hundred eleven thousand, six hundred sixty".