424285990 has 8 divisors (see below), whose sum is σ = 763714800. Its totient is φ = 169714392.

The previous prime is 424285969. The next prime is 424285997. The reversal of 424285990 is 99582424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424285997) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21214290 + ... + 21214309.

It is an arithmetic number, because the mean of its divisors is an integer number (95464350).

Almost surely, 2^424285990 is an apocalyptic number.

424285990 is a deficient number, since it is larger than the sum of its proper divisors (339428810).

424285990 is a wasteful number, since it uses less digits than its factorization.

424285990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42428606.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 424285990 is about 20598.2035624469. The cubic root of 424285990 is about 751.4260217125.

The spelling of 424285990 in words is "four hundred twenty-four million, two hundred eighty-five thousand, nine hundred ninety".