3898075771 has 4 divisors (see below), whose sum is σ = 3898544944. Its totient is φ = 3897606600.

The previous prime is 3898075759. The next prime is 3898075793. The reversal of 3898075771 is 1775708983.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3898075771 - 2¹¹ = 3898073723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3898075711) 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, 221895 + ... + 238816.

It is an arithmetic number, because the mean of its divisors is an integer number (974636236).

Almost surely, 2^3898075771 is an apocalyptic number.

3898075771 is a deficient number, since it is larger than the sum of its proper divisors (469173).

3898075771 is an equidigital number, since it uses as much as digits as its factorization.

3898075771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469172.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The square root of 3898075771 is about 62434.5719213322. The cubic root of 3898075771 is about 1573.8019976624.

The spelling of 3898075771 in words is "three billion, eight hundred ninety-eight million, seventy-five thousand, seven hundred seventy-one".