556938 has 12 divisors (see below), whose sum is σ = 1206738. Its totient is φ = 185640.

The previous prime is 556931. The next prime is 556939. The reversal of 556938 is 839655.

It can be written as a sum of positive squares in only one way, i.e., 514089 + 42849 = 717^2 + 207^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (556931) 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 5 ways as a sum of consecutive naturals, for example, 15453 + ... + 15488.

2⁵⁵⁶⁹³⁸ is an apocalyptic number.

556938 is an abundant number, since it is smaller than the sum of its proper divisors (649800).

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

556938 is a wasteful number, since it uses less digits than its factorization.

556938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30949 (or 30946 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 556938 is about 746.2827882244. The cubic root of 556938 is about 82.2752006863.

It can be divided in two parts, 55693 and 8, that multiplied together give a palindrome (445544).

The spelling of 556938 in words is "five hundred fifty-six thousand, nine hundred thirty-eight".