386889983 has 8 divisors (see below), whose sum is σ = 394719696. Its totient is φ = 379080000.

The previous prime is 386889977. The next prime is 386890001. The reversal of 386889983 is 389988683.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386889983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386889953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38483 + ... + 47483.

It is an arithmetic number, because the mean of its divisors is an integer number (49339962).

Almost surely, 2^386889983 is an apocalyptic number.

386889983 is a deficient number, since it is larger than the sum of its proper divisors (7829713).

386889983 is an equidigital number, since it uses as much as digits as its factorization.

386889983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9865.

The product of its digits is 17915904, while the sum is 62.

The square root of 386889983 is about 19669.5191349458. The cubic root of 386889983 is about 728.6671011269.

The spelling of 386889983 in words is "three hundred eighty-six million, eight hundred eighty-nine thousand, nine hundred eighty-three".