423964 has 12 divisors (see below), whose sum is σ = 751464. Its totient is φ = 209264.

The previous prime is 423961. The next prime is 423977. The reversal of 423964 is 469324.

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁷ + 9⁴ + 3³ + 6⁵ + 4⁹ .

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (62622).

2⁴²³⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

423964 is a deficient number, since it is larger than the sum of its proper divisors (327500).

423964 is a wasteful number, since it uses less digits than its factorization.

423964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1362 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 423964 is about 651.1251799769. The cubic root of 423964 is about 75.1235888248.

The spelling of 423964 in words is "four hundred twenty-three thousand, nine hundred sixty-four".