385834738 has 4 divisors (see below), whose sum is σ = 578752110. Its totient is φ = 192917368.

The previous prime is 385834733. The next prime is 385834739. The reversal of 385834738 is 837438583.

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., 383102329 + 2732409 = 19573^2 + 1653^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 385834691 and 385834700.

It is not an unprimeable number, because it can be changed into a prime (385834733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96458683 + ... + 96458686.

Almost surely, 2^385834738 is an apocalyptic number.

385834738 is a deficient number, since it is larger than the sum of its proper divisors (192917372).

385834738 is a wasteful number, since it uses less digits than its factorization.

385834738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192917371.

The product of its digits is 1935360, while the sum is 49.

The square root of 385834738 is about 19642.6764469611. The cubic root of 385834738 is about 728.0040164513.

The spelling of 385834738 in words is "three hundred eighty-five million, eight hundred thirty-four thousand, seven hundred thirty-eight".