1894341816 has 40 divisors (see below), whose sum is σ = 5305912920. Its totient is φ = 631447056.

The previous prime is 1894341811. The next prime is 1894341817. The reversal of 1894341816 is 6181434981.

1894341816 is a `hidden beast` number, since 189 + 43 + 418 + 16 = 666.

1894341816 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894341811) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1461036 + ... + 1462331.

It is an arithmetic number, because the mean of its divisors is an integer number (132647823).

Almost surely, 2^1894341816 is an apocalyptic number.

It is an amenable number.

1894341816 is an abundant number, since it is smaller than the sum of its proper divisors (3411571104).

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

1894341816 is a wasteful number, since it uses less digits than its factorization.

1894341816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923385 (or 2923372 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 1894341816 is about 43524.0372208278. The cubic root of 1894341816 is about 1237.3316310880.

The spelling of 1894341816 in words is "one billion, eight hundred ninety-four million, three hundred forty-one thousand, eight hundred sixteen".