4006036 has 12 divisors (see below), whose sum is σ = 7379680. Its totient is φ = 1897560.

The previous prime is 4006019. The next prime is 4006039. The reversal of 4006036 is 6306004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006039) 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, 26280 + ... + 26431.

Almost surely, 2^4006036 is an apocalyptic number.

It is an amenable number.

4006036 is a deficient number, since it is larger than the sum of its proper divisors (3373644).

4006036 is a wasteful number, since it uses less digits than its factorization.

4006036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52734 (or 52732 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 4006036 is about 2001.5084311589. The cubic root of 4006036 is about 158.8199113407.

Subtracting 4006036 from its reverse (6306004), we obtain a cube (2299968 = 132³).

The spelling of 4006036 in words is "four million, six thousand, thirty-six", and thus it is an eban number.