385939436 has 12 divisors (see below), whose sum is σ = 686466480. Its totient is φ = 189806160.

The previous prime is 385939417. The next prime is 385939439. The reversal of 385939436 is 634939583.

It is not an unprimeable number, because it can be changed into a prime (385939439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790616 + ... + 791103.

It is an arithmetic number, because the mean of its divisors is an integer number (57205540).

Almost surely, 2^385939436 is an apocalyptic number.

It is an amenable number.

385939436 is a deficient number, since it is larger than the sum of its proper divisors (300527044).

385939436 is a wasteful number, since it uses less digits than its factorization.

385939436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581784 (or 1581782 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 50.

The square root of 385939436 is about 19645.3413307074. The cubic root of 385939436 is about 728.0698595561.

The spelling of 385939436 in words is "three hundred eighty-five million, nine hundred thirty-nine thousand, four hundred thirty-six".