3898437006916 has 27 divisors (see below), whose sum is σ = 6854027189149. Its totient is φ = 1940185413008.

The previous prime is 3898437006899. The next prime is 3898437006931. The reversal of 3898437006916 is 6196007348983.

It is a happy number.

The square root of 3898437006916 is 1974446.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 87352166916 + 3811084840000 = 295554^2 + 1952200^2 .

It is a super-2 number, since 2×3898437006916² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 896396310 + ... + 896400658.

Almost surely, 2^{3898437006916} is an apocalyptic number.

3898437006916 is the 1974446-th square number.

It is an amenable number.

3898437006916 is a deficient number, since it is larger than the sum of its proper divisors (2955590182233).

3898437006916 is an frugal number, since it uses more digits than its factorization.

3898437006916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156 (or 4578 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 64.

Multiplying 3898437006916 by its sum of digits (64), we get a square (249499968442624 = 15795568²).

The spelling of 3898437006916 in words is "three trillion, eight hundred ninety-eight billion, four hundred thirty-seven million, six thousand, nine hundred sixteen".