4390052 has 6 divisors (see below), whose sum is σ = 7682598. Its totient is φ = 2195024.

The previous prime is 4390051. The next prime is 4390069. The reversal of 4390052 is 2500934.

It can be written as a sum of positive squares in only one way, i.e., 3587236 + 802816 = 1894^2 + 896^2 .

It is not an unprimeable number, because it can be changed into a prime (4390051) 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 as a sum of consecutive naturals, namely, 548753 + ... + 548760.

It is an arithmetic number, because the mean of its divisors is an integer number (1280433).

Almost surely, 2^4390052 is an apocalyptic number.

It is an amenable number.

4390052 is a deficient number, since it is larger than the sum of its proper divisors (3292546).

4390052 is a wasteful number, since it uses less digits than its factorization.

4390052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097517 (or 1097515 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 4390052 is about 2095.2450930619. The cubic root of 4390052 is about 163.7406668728.

Adding to 4390052 its reverse (2500934), we get a palindrome (6890986).

The spelling of 4390052 in words is "four million, three hundred ninety thousand, fifty-two".