523946 has 4 divisors (see below), whose sum is σ = 785922. Its totient is φ = 261972.

The previous prime is 523937. The next prime is 523949. The reversal of 523946 is 649325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 87025 = 661^2 + 295^2 .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (523949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130985 + ... + 130988.

2⁵²³⁹⁴⁶ is an apocalyptic number.

523946 is a deficient number, since it is larger than the sum of its proper divisors (261976).

523946 is a wasteful number, since it uses less digits than its factorization.

523946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261975.

The product of its digits is 6480, while the sum is 29.

The square root of 523946 is about 723.8411427931. The cubic root of 523946 is about 80.6174102985.

The spelling of 523946 in words is "five hundred twenty-three thousand, nine hundred forty-six".