386270071 has 4 divisors (see below), whose sum is σ = 421385544. Its totient is φ = 351154600.

The previous prime is 386270021. The next prime is 386270077. The reversal of 386270071 is 170072683.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386270071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386270077) 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, 17557720 + ... + 17557741.

It is an arithmetic number, because the mean of its divisors is an integer number (105346386).

Almost surely, 2^386270071 is an apocalyptic number.

386270071 is a deficient number, since it is larger than the sum of its proper divisors (35115473).

386270071 is a wasteful number, since it uses less digits than its factorization.

386270071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35115472.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 386270071 is about 19653.7546285691. The cubic root of 386270071 is about 728.2777131250.

The spelling of 386270071 in words is "three hundred eighty-six million, two hundred seventy thousand, seventy-one".