423954 has 20 divisors (see below), whose sum is σ = 950334. Its totient is φ = 141264.

The previous prime is 423949. The next prime is 423961. The reversal of 423954 is 459324.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 178929 = 495^2 + 423^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423954.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1147 + ... + 1470.

2⁴²³⁹⁵⁴ is an apocalyptic number.

423954 is an abundant number, since it is smaller than the sum of its proper divisors (526380).

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

423954 is a wasteful number, since it uses less digits than its factorization.

423954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631 (or 2622 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 423954 is about 651.1175009167. The cubic root of 423954 is about 75.1229981757.

The spelling of 423954 in words is "four hundred twenty-three thousand, nine hundred fifty-four".