2052404 has 6 divisors (see below), whose sum is σ = 3591714. Its totient is φ = 1026200.

The previous prime is 2052371. The next prime is 2052409. The reversal of 2052404 is 4042502.

It can be written as a sum of positive squares in only one way, i.e., 1690000 + 362404 = 1300^2 + 602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052409) 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, 256547 + ... + 256554.

It is an arithmetic number, because the mean of its divisors is an integer number (598619).

2^2052404 is an apocalyptic number.

It is an amenable number.

2052404 is a deficient number, since it is larger than the sum of its proper divisors (1539310).

2052404 is a wasteful number, since it uses less digits than its factorization.

2052404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513105 (or 513103 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2052404 is about 1432.6213735667. The cubic root of 2052404 is about 127.0830465161.

Adding to 2052404 its reverse (4042502), we get a palindrome (6094906).

The spelling of 2052404 in words is "two million, fifty-two thousand, four hundred four".