4066340 has 12 divisors (see below), whose sum is σ = 8539356. Its totient is φ = 1626528.

The previous prime is 4066333. The next prime is 4066357. The reversal of 4066340 is 436604.

It can be written as a sum of positive squares in 2 ways, for example, as 2483776 + 1582564 = 1576^2 + 1258^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101639 + ... + 101678.

It is an arithmetic number, because the mean of its divisors is an integer number (711613).

Almost surely, 2^4066340 is an apocalyptic number.

It is an amenable number.

4066340 is an abundant number, since it is smaller than the sum of its proper divisors (4473016).

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

4066340 is a wasteful number, since it uses less digits than its factorization.

4066340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203326 (or 203324 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4066340 is about 2016.5167988390. The cubic root of 4066340 is about 159.6128661349.

The spelling of 4066340 in words is "four million, sixty-six thousand, three hundred forty".