424023404 has 24 divisors (see below), whose sum is σ = 870969120. Its totient is φ = 176812416.

The previous prime is 424023389. The next prime is 424023443. The reversal of 424023404 is 404320424.

It is a self number, because there is not a number n which added to its sum of digits gives 424023404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203609 + ... + 205680.

It is an arithmetic number, because the mean of its divisors is an integer number (36290380).

Almost surely, 2^424023404 is an apocalyptic number.

It is an amenable number.

424023404 is an abundant number, since it is smaller than the sum of its proper divisors (446945716).

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

424023404 is a wasteful number, since it uses less digits than its factorization.

424023404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409337 (or 409335 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 424023404 is about 20591.8285734900. The cubic root of 424023404 is about 751.2709732490.

Adding to 424023404 its reverse (404320424), we get a palindrome (828343828).

The spelling of 424023404 in words is "four hundred twenty-four million, twenty-three thousand, four hundred four".