4005654 has 16 divisors (see below), whose sum is σ = 8287920. Its totient is φ = 1289120.

The previous prime is 4005653. The next prime is 4005691. The reversal of 4005654 is 4565004.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11337 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (517995).

Almost surely, 2^4005654 is an apocalyptic number.

4005654 is an abundant number, since it is smaller than the sum of its proper divisors (4282266).

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

4005654 is a wasteful number, since it uses less digits than its factorization.

4005654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23055.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4005654 is about 2001.4130008571. The cubic root of 4005654 is about 158.8148630307.

The spelling of 4005654 in words is "four million, five thousand, six hundred fifty-four".