424702885 has 4 divisors (see below), whose sum is σ = 509643468. Its totient is φ = 339762304.

The previous prime is 424702871. The next prime is 424702897. The reversal of 424702885 is 588207424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 228674884 + 196028001 = 15122^2 + 14001^2 .

It is a cyclic number.

It is not a de Polignac number, because 424702885 - 2⁹ = 424702373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42470284 + ... + 42470293.

It is an arithmetic number, because the mean of its divisors is an integer number (127410867).

Almost surely, 2^424702885 is an apocalyptic number.

It is an amenable number.

424702885 is a deficient number, since it is larger than the sum of its proper divisors (84940583).

424702885 is an equidigital number, since it uses as much as digits as its factorization.

424702885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84940582.

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 424702885 is about 20608.3207709896. The cubic root of 424702885 is about 751.6720532508.

The spelling of 424702885 in words is "four hundred twenty-four million, seven hundred two thousand, eight hundred eighty-five".