386148378 has 32 divisors (see below), whose sum is σ = 962864640. Its totient is φ = 100298160.

The previous prime is 386148377. The next prime is 386148401. The reversal of 386148378 is 873841683.

It is a super-2 number, since 2×386148378² = 298221139664061768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (386148377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417448 + ... + 418371.

It is an arithmetic number, because the mean of its divisors is an integer number (30089520).

Almost surely, 2^386148378 is an apocalyptic number.

386148378 is an abundant number, since it is smaller than the sum of its proper divisors (576716262).

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

386148378 is a wasteful number, since it uses less digits than its factorization.

386148378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835842.

The product of its digits is 774144, while the sum is 48.

The square root of 386148378 is about 19650.6584622501. The cubic root of 386148378 is about 728.2012246651.

It can be divided in two parts, 38 and 6148378, that added together give a palindrome (6148416).

The spelling of 386148378 in words is "three hundred eighty-six million, one hundred forty-eight thousand, three hundred seventy-eight".