385003834 has 4 divisors (see below), whose sum is σ = 577505754. Its totient is φ = 192501916.

The previous prime is 385003823. The next prime is 385003847. The reversal of 385003834 is 438300583.

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., 374538609 + 10465225 = 19353^2 + 3235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 385003834.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96250957 + ... + 96250960.

Almost surely, 2^385003834 is an apocalyptic number.

385003834 is a deficient number, since it is larger than the sum of its proper divisors (192501920).

385003834 is a wasteful number, since it uses less digits than its factorization.

385003834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192501919.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 385003834 is about 19621.5145694719. The cubic root of 385003834 is about 727.4810497223.

The spelling of 385003834 in words is "three hundred eighty-five million, three thousand, eight hundred thirty-four".