424813478 has 4 divisors (see below), whose sum is σ = 637220220. Its totient is φ = 212406738.

The previous prime is 424813451. The next prime is 424813483. The reversal of 424813478 is 874318424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 106203368 + ... + 106203371.

It is an arithmetic number, because the mean of its divisors is an integer number (159305055).

Almost surely, 2^424813478 is an apocalyptic number.

424813478 is a deficient number, since it is larger than the sum of its proper divisors (212406742).

424813478 is a wasteful number, since it uses less digits than its factorization.

424813478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212406741.

The product of its digits is 172032, while the sum is 41.

The square root of 424813478 is about 20611.0038086455. The cubic root of 424813478 is about 751.7372929400.

The spelling of 424813478 in words is "four hundred twenty-four million, eight hundred thirteen thousand, four hundred seventy-eight".