424423684 has 12 divisors (see below), whose sum is σ = 742915404. Its totient is φ = 212162144.

The previous prime is 424423667. The next prime is 424423721. The reversal of 424423684 is 486324424.

It can be written as a sum of positive squares in 2 ways, for example, as 321198084 + 103225600 = 17922^2 + 10160^2 .

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, 12222 + ... + 31594.

It is an arithmetic number, because the mean of its divisors is an integer number (61909617).

Almost surely, 2^424423684 is an apocalyptic number.

It is an amenable number.

424423684 is a deficient number, since it is larger than the sum of its proper divisors (318491720).

424423684 is a wasteful number, since it uses less digits than its factorization.

424423684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24854 (or 24852 counting only the distinct ones).

The product of its digits is 147456, while the sum is 37.

The square root of 424423684 is about 20601.5456701676. The cubic root of 424423684 is about 751.5072999590.

The spelling of 424423684 in words is "four hundred twenty-four million, four hundred twenty-three thousand, six hundred eighty-four".