386432147 has 4 divisors (see below), whose sum is σ = 391088040. Its totient is φ = 381776256.

The previous prime is 386432129. The next prime is 386432191. The reversal of 386432147 is 741234683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 386432147 - 2¹⁶ = 386366611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386432147.

It is not an unprimeable number, because it can be changed into a prime (386432447) 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, 2327822 + ... + 2327987.

It is an arithmetic number, because the mean of its divisors is an integer number (97772010).

Almost surely, 2^386432147 is an apocalyptic number.

386432147 is a deficient number, since it is larger than the sum of its proper divisors (4655893).

386432147 is an equidigital number, since it uses as much as digits as its factorization.

386432147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655892.

The product of its digits is 96768, while the sum is 38.

The square root of 386432147 is about 19657.8774795246. The cubic root of 386432147 is about 728.3795588216.

It can be divided in two parts, 38643 and 2147, that multiplied together give a triangular number (82966521 = T₁₂₈₈₁).

The spelling of 386432147 in words is "three hundred eighty-six million, four hundred thirty-two thousand, one hundred forty-seven".