386057143 has 4 divisors (see below), whose sum is σ = 406375960. Its totient is φ = 365738328.

The previous prime is 386057137. The next prime is 386057159. The reversal of 386057143 is 341750683.

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 386057143 - 2²¹ = 383959991 is a prime.

It is a super-2 number, since 2×386057143² = 298080235322644898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386057123) 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, 10159380 + ... + 10159417.

It is an arithmetic number, because the mean of its divisors is an integer number (101593990).

Almost surely, 2^386057143 is an apocalyptic number.

386057143 is a deficient number, since it is larger than the sum of its proper divisors (20318817).

386057143 is a wasteful number, since it uses less digits than its factorization.

386057143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20318816.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 386057143 is about 19648.3369016311. The cubic root of 386057143 is about 728.1438696209.

The spelling of 386057143 in words is "three hundred eighty-six million, fifty-seven thousand, one hundred forty-three".