385538936 has 8 divisors (see below), whose sum is σ = 722885520. Its totient is φ = 192769464.

The previous prime is 385538921. The next prime is 385538939. The reversal of 385538936 is 639835583.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385538939) by changing a digit.

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, 24096176 + ... + 24096191.

It is an arithmetic number, because the mean of its divisors is an integer number (90360690).

Almost surely, 2^385538936 is an apocalyptic number.

It is an amenable number.

385538936 is a deficient number, since it is larger than the sum of its proper divisors (337346584).

385538936 is a wasteful number, since it uses less digits than its factorization.

385538936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48192373 (or 48192369 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The square root of 385538936 is about 19635.1454285422. The cubic root of 385538936 is about 727.8179263303.

The spelling of 385538936 in words is "three hundred eighty-five million, five hundred thirty-eight thousand, nine hundred thirty-six".