4140436 has 24 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 1999200.

The previous prime is 4140421. The next prime is 4140439. The reversal of 4140436 is 6340414.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140439) 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 7 ways as a sum of consecutive naturals, for example, 17205 + ... + 17443.

It is an arithmetic number, because the mean of its divisors is an integer number (312480).

Almost surely, 2^4140436 is an apocalyptic number.

It is an amenable number.

4140436 is a deficient number, since it is larger than the sum of its proper divisors (3359084).

4140436 is a wasteful number, since it uses less digits than its factorization.

4140436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4140436 is about 2034.8061332717. The cubic root of 4140436 is about 160.5765139529.

Subtracting from 4140436 its sum of digits (22), we obtain a palindrome (4140414).

The spelling of 4140436 in words is "four million, one hundred forty thousand, four hundred thirty-six".