427361816 has 16 divisors (see below), whose sum is σ = 915775440. Its totient is φ = 183155040.

The previous prime is 427361789. The next prime is 427361867. The reversal of 427361816 is 618163724.

It is a self number, because there is not a number n which added to its sum of digits gives 427361816.

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, 3815675 + ... + 3815786.

It is an arithmetic number, because the mean of its divisors is an integer number (57235965).

Almost surely, 2^427361816 is an apocalyptic number.

It is an amenable number.

427361816 is an abundant number, since it is smaller than the sum of its proper divisors (488413624).

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

427361816 is a wasteful number, since it uses less digits than its factorization.

427361816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631474 (or 7631470 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 427361816 is about 20672.7312177177. The cubic root of 427361816 is about 753.2374516200.

The spelling of 427361816 in words is "four hundred twenty-seven million, three hundred sixty-one thousand, eight hundred sixteen".