3868964401 has 3 divisors (see below), whose sum is σ = 3869026603. Its totient is φ = 3868902200.

The previous prime is 3868964387. The next prime is 3868964417. The reversal of 3868964401 is 1044698683.

The square root of 3868964401 is 62201.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 316804401 + 3552160000 = 17799^2 + 59600^2 .

It is not a de Polignac number, because 3868964401 - 2⁷ = 3868964273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3868964441) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 31101 + ... + 93301.

Almost surely, 2^3868964401 is an apocalyptic number.

3868964401 is the 62201-st square number.

3868964401 is the 31101-st centered octagonal number.

It is an amenable number.

3868964401 is a deficient number, since it is larger than the sum of its proper divisors (62202).

3868964401 is an frugal number, since it uses more digits than its factorization.

3868964401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124402 (or 62201 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The cubic root of 3868964401 is about 1569.8744136633.

Multiplying 3868964401 by its sum of digits (49), we get a square (189579255649 = 435407²).

The spelling of 3868964401 in words is "three billion, eight hundred sixty-eight million, nine hundred sixty-four thousand, four hundred one".