4390036 has 24 divisors (see below), whose sum is σ = 8890560. Its totient is φ = 1857792.

The previous prime is 4390021. The next prime is 4390039. The reversal of 4390036 is 6300934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4390039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380 + ... + 3268.

It is an arithmetic number, because the mean of its divisors is an integer number (370440).

Almost surely, 2^4390036 is an apocalyptic number.

It is an amenable number.

4390036 is an abundant number, since it is smaller than the sum of its proper divisors (4500524).

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

4390036 is a wasteful number, since it uses less digits than its factorization.

4390036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 4390036 is about 2095.2412748894. The cubic root of 4390036 is about 163.7404679493.

The spelling of 4390036 in words is "four million, three hundred ninety thousand, thirty-six".