3868401722 has 4 divisors (see below), whose sum is σ = 5802602586. Its totient is φ = 1934200860.

The previous prime is 3868401703. The next prime is 3868401737. The reversal of 3868401722 is 2271048683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3674663161 + 193738561 = 60619^2 + 13919^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3868401722.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 967100429 + ... + 967100432.

Almost surely, 2^3868401722 is an apocalyptic number.

3868401722 is a deficient number, since it is larger than the sum of its proper divisors (1934200864).

3868401722 is a wasteful number, since it uses less digits than its factorization.

3868401722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934200863.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 3868401722 is about 62196.4767651673. The cubic root of 3868401722 is about 1569.7983055976.

The spelling of 3868401722 in words is "three billion, eight hundred sixty-eight million, four hundred one thousand, seven hundred twenty-two".