4045388 has 24 divisors (see below), whose sum is σ = 7683984. Its totient is φ = 1856000.

The previous prime is 4045387. The next prime is 4045399. The reversal of 4045388 is 8835404.

It is not an unprimeable number, because it can be changed into a prime (4045381) 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, 2063 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (320166).

Almost surely, 2^4045388 is an apocalyptic number.

It is an amenable number.

4045388 is a deficient number, since it is larger than the sum of its proper divisors (3638596).

4045388 is a wasteful number, since it uses less digits than its factorization.

4045388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 4045388 is about 2011.3149927349. The cubic root of 4045388 is about 159.3382564533.

The spelling of 4045388 in words is "four million, forty-five thousand, three hundred eighty-eight".