4045536 has 72 divisors (see below), whose sum is σ = 12560184. Its totient is φ = 1224960.

The previous prime is 4045523. The next prime is 4045549. The reversal of 4045536 is 6355404.

It is an interprime number because it is at equal distance from previous prime (4045523) and next prime (4045549).

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2530 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (174447).

Almost surely, 2^4045536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6280092).

4045536 is an abundant number, since it is smaller than the sum of its proper divisors (8514648).

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

4045536 is a wasteful number, since it uses less digits than its factorization.

4045536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4045536 is about 2011.3517842486. The cubic root of 4045536 is about 159.3401995528.

The spelling of 4045536 in words is "four million, forty-five thousand, five hundred thirty-six".