4005412 has 6 divisors (see below), whose sum is σ = 7009478. Its totient is φ = 2002704.

The previous prime is 4005377. The next prime is 4005433. The reversal of 4005412 is 2145004.

4005412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3709476 + 295936 = 1926^2 + 544^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500673 + ... + 500680.

Almost surely, 2^4005412 is an apocalyptic number.

It is an amenable number.

4005412 is a deficient number, since it is larger than the sum of its proper divisors (3004066).

4005412 is a wasteful number, since it uses less digits than its factorization.

4005412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001357 (or 1001355 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4005412 is about 2001.3525426571. The cubic root of 4005412 is about 158.8116647206.

The spelling of 4005412 in words is "four million, five thousand, four hundred twelve".