3820316386 has 4 divisors (see below), whose sum is σ = 5730474582. Its totient is φ = 1910158192.

The previous prime is 3820316323. The next prime is 3820316387. The reversal of 3820316386 is 6836130283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6836130283 = 271 ⋅25225573.

It can be written as a sum of positive squares in only one way, i.e., 3465559161 + 354757225 = 58869^2 + 18835^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3820316387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955079095 + ... + 955079098.

Almost surely, 2^3820316386 is an apocalyptic number.

3820316386 is a deficient number, since it is larger than the sum of its proper divisors (1910158196).

3820316386 is a wasteful number, since it uses less digits than its factorization.

3820316386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910158195.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3820316386 is about 61808.7080110885. The cubic root of 3820316386 is about 1563.2668208445.

The spelling of 3820316386 in words is "three billion, eight hundred twenty million, three hundred sixteen thousand, three hundred eighty-six".