4140666 has 16 divisors (see below), whose sum is σ = 9201600. Its totient is φ = 1380204.

The previous prime is 4140641. The next prime is 4140683. The reversal of 4140666 is 6660414.

It is a super-2 number, since 2×4140666² = 34290229847112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 38286 + ... + 38393.

It is an arithmetic number, because the mean of its divisors is an integer number (575100).

Almost surely, 2^4140666 is an apocalyptic number.

4140666 is an abundant number, since it is smaller than the sum of its proper divisors (5060934).

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

4140666 is a wasteful number, since it uses less digits than its factorization.

4140666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76690 (or 76684 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4140666 is about 2034.8626489274. The cubic root of 4140666 is about 160.5794872239.

The spelling of 4140666 in words is "four million, one hundred forty thousand, six hundred sixty-six".