3861897268 has 6 divisors (see below), whose sum is σ = 6758320226. Its totient is φ = 1930948632.

The previous prime is 3861897257. The next prime is 3861897301. The reversal of 3861897268 is 8627981683.

3861897268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2526871824 + 1335025444 = 50268^2 + 36538^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482737155 + ... + 482737162.

Almost surely, 2^3861897268 is an apocalyptic number.

It is an amenable number.

3861897268 is a deficient number, since it is larger than the sum of its proper divisors (2896422958).

3861897268 is a wasteful number, since it uses less digits than its factorization.

3861897268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965474321 (or 965474319 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 58.

The square root of 3861897268 is about 62144.1651967423. The cubic root of 3861897268 is about 1568.9179757000.

The spelling of 3861897268 in words is "three billion, eight hundred sixty-one million, eight hundred ninety-seven thousand, two hundred sixty-eight".