1854968728 has 16 divisors (see below), whose sum is σ = 3478626000. Its totient is φ = 927335136.

The previous prime is 1854968723. The next prime is 1854968737. The reversal of 1854968728 is 8278694581.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1854968723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48318 + ... + 77746.

It is an arithmetic number, because the mean of its divisors is an integer number (217414125).

Almost surely, 2^1854968728 is an apocalyptic number.

It is an amenable number.

1854968728 is a deficient number, since it is larger than the sum of its proper divisors (1623657272).

1854968728 is a wasteful number, since it uses less digits than its factorization.

1854968728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37314 (or 37310 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 58.

The square root of 1854968728 is about 43069.3478938328. The cubic root of 1854968728 is about 1228.6990735696.

The spelling of 1854968728 in words is "one billion, eight hundred fifty-four million, nine hundred sixty-eight thousand, seven hundred twenty-eight".