4040312 has 24 divisors (see below), whose sum is σ = 8001000. Its totient is φ = 1912464.

The previous prime is 4040299. The next prime is 4040317. The reversal of 4040312 is 2130404.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040317) 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 5 ways as a sum of consecutive naturals, for example, 2189 + ... + 3587.

It is an arithmetic number, because the mean of its divisors is an integer number (333375).

Almost surely, 2^4040312 is an apocalyptic number.

It is an amenable number.

4040312 is a deficient number, since it is larger than the sum of its proper divisors (3960688).

4040312 is a wasteful number, since it uses less digits than its factorization.

4040312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4040312 is about 2010.0527356266. The cubic root of 4040312 is about 159.2715846853.

Adding to 4040312 its reverse (2130404), we get a palindrome (6170716).

The spelling of 4040312 in words is "four million, forty thousand, three hundred twelve".