3898709472 has 96 divisors (see below), whose sum is σ = 11716330752. Its totient is φ = 1111993344.

The previous prime is 3898709447. The next prime is 3898709483. The reversal of 3898709472 is 2749078983.

It is a tau number, because it is divible by the number of its divisors (96).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409923 + ... + 419325.

It is an arithmetic number, because the mean of its divisors is an integer number (122045112).

Almost surely, 2^3898709472 is an apocalyptic number.

3898709472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3898709472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5858165376).

3898709472 is an abundant number, since it is smaller than the sum of its proper divisors (7817621280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3898709472 is a wasteful number, since it uses less digits than its factorization.

3898709472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040 (or 10032 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The square root of 3898709472 is about 62439.6466357714. The cubic root of 3898709472 is about 1573.8872761365.

The spelling of 3898709472 in words is "three billion, eight hundred ninety-eight million, seven hundred nine thousand, four hundred seventy-two".