4000852 has 6 divisors (see below), whose sum is σ = 7001498. Its totient is φ = 2000424.

The previous prime is 4000823. The next prime is 4000853. The reversal of 4000852 is 2580004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3147076 + 853776 = 1774^2 + 924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4000853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500103 + ... + 500110.

Almost surely, 2^4000852 is an apocalyptic number.

It is an amenable number.

4000852 is a deficient number, since it is larger than the sum of its proper divisors (3000646).

4000852 is a wasteful number, since it uses less digits than its factorization.

4000852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000217 (or 1000215 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4000852 is about 2000.2129886590. The cubic root of 4000852 is about 158.7513749442.

Adding to 4000852 its reverse (2580004), we get a palindrome (6580856).

The spelling of 4000852 in words is "four million, eight hundred fifty-two", and thus it is an aban number.