3885338642 has 8 divisors (see below), whose sum is σ = 5828849100. Its totient is φ = 1942388944.

The previous prime is 3885338591. The next prime is 3885338669. The reversal of 3885338642 is 2468335883.

It can be written as a sum of positive squares in 2 ways, for example, as 3763699801 + 121638841 = 61349^2 + 11029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122417 + ... + 150852.

Almost surely, 2^3885338642 is an apocalyptic number.

3885338642 is a deficient number, since it is larger than the sum of its proper divisors (1943510458).

3885338642 is a wasteful number, since it uses less digits than its factorization.

3885338642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280380.

The product of its digits is 3317760, while the sum is 50.

The square root of 3885338642 is about 62332.4846448463. The cubic root of 3885338642 is about 1572.0859721686.

The spelling of 3885338642 in words is "three billion, eight hundred eighty-five million, three hundred thirty-eight thousand, six hundred forty-two".