385272434 has 4 divisors (see below), whose sum is σ = 577908654. Its totient is φ = 192636216.

The previous prime is 385272421. The next prime is 385272451. The reversal of 385272434 is 434272583.

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

It can be written as a sum of positive squares in only one way, i.e., 318801025 + 66471409 = 17855^2 + 8153^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96318107 + ... + 96318110.

Almost surely, 2^385272434 is an apocalyptic number.

385272434 is a deficient number, since it is larger than the sum of its proper divisors (192636220).

385272434 is a wasteful number, since it uses less digits than its factorization.

385272434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192636219.

The product of its digits is 161280, while the sum is 38.

The square root of 385272434 is about 19628.3579038085. The cubic root of 385272434 is about 727.6501874203.

The spelling of 385272434 in words is "three hundred eighty-five million, two hundred seventy-two thousand, four hundred thirty-four".