3938887466 has 32 divisors (see below), whose sum is σ = 6416686080. Its totient is φ = 1809129600.

The previous prime is 3938887453. The next prime is 3938887481. The reversal of 3938887466 is 6647888393.

It is a super-3 number, since 3×3938887466³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 3938887399 and 3938887408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73115 + ... + 114993.

It is an arithmetic number, because the mean of its divisors is an integer number (200521440).

Almost surely, 2^3938887466 is an apocalyptic number.

3938887466 is a deficient number, since it is larger than the sum of its proper divisors (2477798614).

3938887466 is a wasteful number, since it uses less digits than its factorization.

3938887466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41990.

The product of its digits is 41803776, while the sum is 62.

The square root of 3938887466 is about 62760.5566100238. The cubic root of 3938887466 is about 1579.2753534886.

The spelling of 3938887466 in words is "three billion, nine hundred thirty-eight million, eight hundred eighty-seven thousand, four hundred sixty-six".