557946 has 24 divisors (see below), whose sum is σ = 1223040. Its totient is φ = 183816.

The previous prime is 557927. The next prime is 557981. The reversal of 557946 is 649755.

It is a super-2 number, since 2×557946² = 622607477832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 557946.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2391 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (50960).

2⁵⁵⁷⁹⁴⁶ is an apocalyptic number.

557946 is an abundant number, since it is smaller than the sum of its proper divisors (665094).

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

557946 is a wasteful number, since it uses less digits than its factorization.

557946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 367 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 557946 is about 746.9578301350. The cubic root of 557946 is about 82.3248072966.

Subtracting 557946 from its reverse (649755), we obtain a square (91809 = 303²).

It can be divided in two parts, 5579 and 46, that added together give a square (5625 = 75²).

The spelling of 557946 in words is "five hundred fifty-seven thousand, nine hundred forty-six".