424784538 has 48 divisors (see below), whose sum is σ = 937905696. Its totient is φ = 138921120.

The previous prime is 424784533. The next prime is 424784611. The reversal of 424784538 is 835487424.

It is a happy number.

424784538 is a `hidden beast` number, since 42 + 4 + 78 + 4 + 538 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 424784493 and 424784502.

It is not an unprimeable number, because it can be changed into a prime (424784533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233653 + ... + 235463.

It is an arithmetic number, because the mean of its divisors is an integer number (19539702).

Almost surely, 2^424784538 is an apocalyptic number.

424784538 is an abundant number, since it is smaller than the sum of its proper divisors (513121158).

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

424784538 is a wasteful number, since it uses less digits than its factorization.

424784538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059 (or 2056 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 424784538 is about 20610.3017445160. The cubic root of 424784538 is about 751.7202220980.

The spelling of 424784538 in words is "four hundred twenty-four million, seven hundred eighty-four thousand, five hundred thirty-eight".