385193677 has 4 divisors (see below), whose sum is σ = 420211296. Its totient is φ = 350176060.

The previous prime is 385193659. The next prime is 385193681. The reversal of 385193677 is 776391583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 776391583 = 11 ⋅70581053.

It is a cyclic number.

It is not a de Polignac number, because 385193677 - 2²³ = 376805069 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 385193677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385193657) 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, 17508793 + ... + 17508814.

It is an arithmetic number, because the mean of its divisors is an integer number (105052824).

Almost surely, 2^385193677 is an apocalyptic number.

It is an amenable number.

385193677 is a deficient number, since it is larger than the sum of its proper divisors (35017619).

385193677 is a wasteful number, since it uses less digits than its factorization.

385193677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35017618.

The product of its digits is 952560, while the sum is 49.

The square root of 385193677 is about 19626.3515967691. The cubic root of 385193677 is about 727.6006022038.

The spelling of 385193677 in words is "three hundred eighty-five million, one hundred ninety-three thousand, six hundred seventy-seven".