423746 has 4 divisors (see below), whose sum is σ = 635622. Its totient is φ = 211872.

The previous prime is 423727. The next prime is 423749. The reversal of 423746 is 647324.

It is a happy number.

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., 290521 + 133225 = 539^2 + 365^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105935 + ... + 105938.

2⁴²³⁷⁴⁶ is an apocalyptic number.

423746 is a deficient number, since it is larger than the sum of its proper divisors (211876).

423746 is a wasteful number, since it uses less digits than its factorization.

423746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211875.

The product of its digits is 4032, while the sum is 26.

The square root of 423746 is about 650.9577559258. The cubic root of 423746 is about 75.1107105693.

The spelling of 423746 in words is "four hundred twenty-three thousand, seven hundred forty-six".