4215660 has 48 divisors (see below), whose sum is σ = 12501216. Its totient is φ = 1057792.

The previous prime is 4215641. The next prime is 4215683. The reversal of 4215660 is 665124.

It is a self number, because there is not a number n which added to its sum of digits gives 4215660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1047 + ... + 3086.

It is an arithmetic number, because the mean of its divisors is an integer number (260442).

Almost surely, 2^4215660 is an apocalyptic number.

It is an amenable number.

4215660 is an abundant number, since it is smaller than the sum of its proper divisors (8285556).

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

4215660 is a wasteful number, since it uses less digits than its factorization.

4215660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4160 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4215660 is about 2053.2072472111. The cubic root of 4215660 is about 161.5431420238.

The spelling of 4215660 in words is "four million, two hundred fifteen thousand, six hundred sixty".