4040372 has 12 divisors (see below), whose sum is σ = 8080800. Its totient is φ = 1731576.

The previous prime is 4040371. The next prime is 4040383. The reversal of 4040372 is 2730404.

It is a happy number.

4040372 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040371) 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 3 ways as a sum of consecutive naturals, for example, 72122 + ... + 72177.

It is an arithmetic number, because the mean of its divisors is an integer number (673400).

Almost surely, 2^4040372 is an apocalyptic number.

It is an amenable number.

4040372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4040372 is a wasteful number, since it uses less digits than its factorization.

4040372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144310 (or 144308 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4040372 is about 2010.0676605527. The cubic root of 4040372 is about 159.2723730937.

Adding to 4040372 its reverse (2730404), we get a palindrome (6770776).

The spelling of 4040372 in words is "four million, forty thousand, three hundred seventy-two".