386143674 has 16 divisors (see below), whose sum is σ = 882614208. Its totient is φ = 110326752.

The previous prime is 386143673. The next prime is 386143697. The reversal of 386143674 is 476341683.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 9193897 = 386143674 / (3 + 8 + 6 + 1 + 4 + 3 + 6 + 7 + 4).

It is not an unprimeable number, because it can be changed into a prime (386143673) by changing a digit.

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, 4596907 + ... + 4596990.

It is an arithmetic number, because the mean of its divisors is an integer number (55163388).

Almost surely, 2^386143674 is an apocalyptic number.

386143674 is an abundant number, since it is smaller than the sum of its proper divisors (496470534).

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

386143674 is a wasteful number, since it uses less digits than its factorization.

386143674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193909.

The product of its digits is 290304, while the sum is 42.

The square root of 386143674 is about 19650.5387712398. The cubic root of 386143674 is about 728.1982677081.

The spelling of 386143674 in words is "three hundred eighty-six million, one hundred forty-three thousand, six hundred seventy-four".