427838816 has 24 divisors (see below), whose sum is σ = 847682640. Its totient is φ = 212554368.

The previous prime is 427838809. The next prime is 427838849. The reversal of 427838816 is 618838724.

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, 37556 + ... + 47603.

It is an arithmetic number, because the mean of its divisors is an integer number (35320110).

Almost surely, 2^427838816 is an apocalyptic number.

It is an amenable number.

427838816 is a deficient number, since it is larger than the sum of its proper divisors (419843824).

427838816 is a wasteful number, since it uses less digits than its factorization.

427838816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85326 (or 85318 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 427838816 is about 20684.2649373866. The cubic root of 427838816 is about 753.5175894785.

The spelling of 427838816 in words is "four hundred twenty-seven million, eight hundred thirty-eight thousand, eight hundred sixteen".