4005366 has 8 divisors (see below), whose sum is σ = 8010744. Its totient is φ = 1335120.

The previous prime is 4005347. The next prime is 4005367. The reversal of 4005366 is 6635004.

It is a sphenic number, since it is the product of 3 distinct primes.

4005366 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333775 + ... + 333786.

It is an arithmetic number, because the mean of its divisors is an integer number (1001343).

Almost surely, 2^4005366 is an apocalyptic number.

4005366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4005366 is a wasteful number, since it uses less digits than its factorization.

4005366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667566.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 4005366 is about 2001.3410503960. The cubic root of 4005366 is about 158.8110567628.

It can be divided in two parts, 4005 and 366, that added together give a triangular number (4371 = T₉₃).

The spelling of 4005366 in words is "four million, five thousand, three hundred sixty-six".