385644514 has 4 divisors (see below), whose sum is σ = 578466774. Its totient is φ = 192822256.

The previous prime is 385644509. The next prime is 385644521. The reversal of 385644514 is 415446583.

It is a happy number.

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., 341621289 + 44023225 = 18483^2 + 6635^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96411127 + ... + 96411130.

Almost surely, 2^385644514 is an apocalyptic number.

385644514 is a deficient number, since it is larger than the sum of its proper divisors (192822260).

385644514 is a wasteful number, since it uses less digits than its factorization.

385644514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192822259.

The product of its digits is 230400, while the sum is 40.

The square root of 385644514 is about 19637.8337400030. The cubic root of 385644514 is about 727.8843567568.

The spelling of 385644514 in words is "three hundred eighty-five million, six hundred forty-four thousand, five hundred fourteen".