4040636 has 12 divisors (see below), whose sum is σ = 7177128. Its totient is φ = 1990032.

The previous prime is 4040629. The next prime is 4040653. The reversal of 4040636 is 6360404.

It is a congruent number.

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, 7271 + ... + 7806.

It is an arithmetic number, because the mean of its divisors is an integer number (598094).

Almost surely, 2^4040636 is an apocalyptic number.

It is an amenable number.

4040636 is a deficient number, since it is larger than the sum of its proper divisors (3136492).

4040636 is a wasteful number, since it uses less digits than its factorization.

4040636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15148 (or 15146 counting only the distinct ones).

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

The square root of 4040636 is about 2010.1333289113. The cubic root of 4040636 is about 159.2758419979.

The spelling of 4040636 in words is "four million, forty thousand, six hundred thirty-six".