386998 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 180136.

The previous prime is 386993. The next prime is 387007. The reversal of 386998 is 899683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386993) by changing a digit.

386998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2³⁸⁶⁹⁹⁸ is an apocalyptic number.

386998 is a deficient number, since it is larger than the sum of its proper divisors (235082).

386998 is a wasteful number, since it uses less digits than its factorization.

386998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its digits is 93312, while the sum is 43.

The square root of 386998 is about 622.0916331217. The cubic root of 386998 is about 72.8734907751.

The spelling of 386998 in words is "three hundred eighty-six thousand, nine hundred ninety-eight".