3868820402 has 16 divisors (see below), whose sum is σ = 5881704192. Its totient is φ = 1908320400.

The previous prime is 3868820401. The next prime is 3868820411. The reversal of 3868820402 is 2040288683.

3868820402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3868820402.

It is not an unprimeable number, because it can be changed into a prime (3868820401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99743 + ... + 132989.

It is an arithmetic number, because the mean of its divisors is an integer number (367606512).

Almost surely, 2^3868820402 is an apocalyptic number.

3868820402 is a deficient number, since it is larger than the sum of its proper divisors (2012883790).

3868820402 is a wasteful number, since it uses less digits than its factorization.

3868820402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34033.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 3868820402 is about 62199.8424596076. The cubic root of 3868820402 is about 1569.8549370345.

The spelling of 3868820402 in words is "three billion, eight hundred sixty-eight million, eight hundred twenty thousand, four hundred two".