505974 has 24 divisors (see below), whose sum is σ = 1177848. Its totient is φ = 144480.

The previous prime is 505969. The next prime is 505979. The reversal of 505974 is 479505.

505974 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (505969) and next prime (505979).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505974.

It is not an unprimeable number, because it can be changed into a prime (505979) by changing a digit.

505974 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (49077).

2⁵⁰⁵⁹⁷⁴ is an apocalyptic number.

505974 is an abundant number, since it is smaller than the sum of its proper divisors (671874).

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

505974 is a wasteful number, since it uses less digits than its factorization.

505974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 505974 is about 711.3184940658. The cubic root of 505974 is about 79.6849064131.

The spelling of 505974 in words is "five hundred five thousand, nine hundred seventy-four".