3898123701 has 4 divisors (see below), whose sum is σ = 5197498272. Its totient is φ = 2598749132.

The previous prime is 3898123693. The next prime is 3898123703. The reversal of 3898123701 is 1073218983.

3898123701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3898123701 - 2³ = 3898123693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3898123703) 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, 649687281 + ... + 649687286.

It is an arithmetic number, because the mean of its divisors is an integer number (1299374568).

Almost surely, 2^3898123701 is an apocalyptic number.

It is an amenable number.

3898123701 is a deficient number, since it is larger than the sum of its proper divisors (1299374571).

3898123701 is a wasteful number, since it uses less digits than its factorization.

3898123701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299374570.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 3898123701 is about 62434.9557619768. The cubic root of 3898123701 is about 1573.8084480262.

The spelling of 3898123701 in words is "three billion, eight hundred ninety-eight million, one hundred twenty-three thousand, seven hundred one".