423764 has 12 divisors (see below), whose sum is σ = 809088. Its totient is φ = 192600.

The previous prime is 423763. The next prime is 423769. The reversal of 423764 is 467324.

It is a happy number.

It is a d-powerful number, because it can be written as 4⁷ + 2⁷ + 7⁶ + 3⁹ + 6⁵ + 4⁹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4772 + ... + 4859.

It is an arithmetic number, because the mean of its divisors is an integer number (67424).

2⁴²³⁷⁶⁴ is an apocalyptic number.

423764 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

423764 is a deficient number, since it is larger than the sum of its proper divisors (385324).

423764 is a wasteful number, since it uses less digits than its factorization.

423764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9646 (or 9644 counting only the distinct ones).

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

The square root of 423764 is about 650.9715815610. The cubic root of 423764 is about 75.1117740787. Note that the first 3 decimals are identical.

The spelling of 423764 in words is "four hundred twenty-three thousand, seven hundred sixty-four".