4000552 has 8 divisors (see below), whose sum is σ = 7501050. Its totient is φ = 2000272.

The previous prime is 4000543. The next prime is 4000553. The reversal of 4000552 is 2550004.

It is a happy number.

4000552 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 443556 = 1886^2 + 666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (4000553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250027 + ... + 250042.

Almost surely, 2^4000552 is an apocalyptic number.

It is an amenable number.

4000552 is a deficient number, since it is larger than the sum of its proper divisors (3500498).

4000552 is a wasteful number, since it uses less digits than its factorization.

4000552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500075 (or 500071 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 4000552 is about 2000.1379952393. The cubic root of 4000552 is about 158.7474069058.

Adding to 4000552 its reverse (2550004), we get a palindrome (6550556).

The spelling of 4000552 in words is "four million, five hundred fifty-two", and thus it is an aban number.