3986897846 has 8 divisors (see below), whose sum is σ = 6069605880. Its totient is φ = 1963695888.

The previous prime is 3986897843. The next prime is 3986897867. The reversal of 3986897846 is 6487986893.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3986897843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14876351 + ... + 14876618.

It is an arithmetic number, because the mean of its divisors is an integer number (758700735).

Almost surely, 2^3986897846 is an apocalyptic number.

3986897846 is a deficient number, since it is larger than the sum of its proper divisors (2082708034).

3986897846 is a wasteful number, since it uses less digits than its factorization.

3986897846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29753038.

The product of its digits is 125411328, while the sum is 68.

The square root of 3986897846 is about 63141.8866205311. The cubic root of 3986897846 is about 1585.6659583781.

The spelling of 3986897846 in words is "three billion, nine hundred eighty-six million, eight hundred ninety-seven thousand, eight hundred forty-six".