3857669298 has 48 divisors (see below), whose sum is σ = 9564187776. Its totient is φ = 1100822400.

The previous prime is 3857669297. The next prime is 3857669317. The reversal of 3857669298 is 8929667583.

3857669298 is a `hidden beast` number, since 38 + 576 + 6 + 9 + 29 + 8 = 666.

It is a super-2 number, since 2×3857669298² = 29763224825463625608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3857669293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85098 + ... + 122298.

It is an arithmetic number, because the mean of its divisors is an integer number (199253912).

Almost surely, 2^3857669298 is an apocalyptic number.

3857669298 is an abundant number, since it is smaller than the sum of its proper divisors (5706518478).

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

3857669298 is a wasteful number, since it uses less digits than its factorization.

3857669298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38039 (or 38036 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 3857669298 is about 62110.1384477607. The cubic root of 3857669298 is about 1568.3452209241.

The spelling of 3857669298 in words is "three billion, eight hundred fifty-seven million, six hundred sixty-nine thousand, two hundred ninety-eight".