3898635694 has 8 divisors (see below), whose sum is σ = 5848247088. Its totient is φ = 1949220000.

The previous prime is 3898635661. The next prime is 3898635703. The reversal of 3898635694 is 4965368983.

3898635694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20694 + ... + 90694.

It is an arithmetic number, because the mean of its divisors is an integer number (731030886).

Almost surely, 2^3898635694 is an apocalyptic number.

3898635694 is a deficient number, since it is larger than the sum of its proper divisors (1949611394).

3898635694 is a wasteful number, since it uses less digits than its factorization.

3898635694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97850.

The product of its digits is 33592320, while the sum is 61.

The square root of 3898635694 is about 62439.0558384734. The cubic root of 3898635694 is about 1573.8773481514.

The spelling of 3898635694 in words is "three billion, eight hundred ninety-eight million, six hundred thirty-five thousand, six hundred ninety-four".