385207836 has 24 divisors (see below), whose sum is σ = 967958544. Its totient is φ = 118525440.

The previous prime is 385207819. The next prime is 385207861. The reversal of 385207836 is 638702583.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1234485 + ... + 1234796.

It is an arithmetic number, because the mean of its divisors is an integer number (40331606).

Almost surely, 2^385207836 is an apocalyptic number.

It is an amenable number.

385207836 is an abundant number, since it is smaller than the sum of its proper divisors (582750708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385207836 is a wasteful number, since it uses less digits than its factorization.

385207836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469301 (or 2469299 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 385207836 is about 19626.7123074650. The cubic root of 385207836 is about 727.6095171742.

The spelling of 385207836 in words is "three hundred eighty-five million, two hundred seven thousand, eight hundred thirty-six".