3887784198 has 48 divisors (see below), whose sum is σ = 8687517696. Its totient is φ = 1255791600.

The previous prime is 3887784163. The next prime is 3887784203. The reversal of 3887784198 is 8914877883.

It is a super-2 number, since 2×3887784198² = 30229731940437006408, which contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 78523 + ... + 118073.

It is an arithmetic number, because the mean of its divisors is an integer number (180989952).

Almost surely, 2^3887784198 is an apocalyptic number.

3887784198 is an abundant number, since it is smaller than the sum of its proper divisors (4799733498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3887784198 is a wasteful number, since it uses less digits than its factorization.

3887784198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39729 (or 39726 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 63.

The square root of 3887784198 is about 62352.0985853724. The cubic root of 3887784198 is about 1572.4157433310.

The spelling of 3887784198 in words is "three billion, eight hundred eighty-seven million, seven hundred eighty-four thousand, one hundred ninety-eight".