3798928781 has 8 divisors (see below), whose sum is σ = 3864419328. Its totient is φ = 3733542000.

The previous prime is 3798928751. The next prime is 3798928801. The reversal of 3798928781 is 1878298973.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3798928781 - 2¹⁰ = 3798927757 is a prime.

It is a super-2 number, since 2×3798928781² = 28863719766220291922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3798928741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49796 + ... + 100386.

It is an arithmetic number, because the mean of its divisors is an integer number (483052416).

Almost surely, 2^3798928781 is an apocalyptic number.

It is an amenable number.

3798928781 is a deficient number, since it is larger than the sum of its proper divisors (65490547).

3798928781 is a wasteful number, since it uses less digits than its factorization.

3798928781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51883.

The product of its digits is 12192768, while the sum is 62.

The square root of 3798928781 is about 61635.4506838394. The cubic root of 3798928781 is about 1560.3441029497.

The spelling of 3798928781 in words is "three billion, seven hundred ninety-eight million, nine hundred twenty-eight thousand, seven hundred eighty-one".