385920776 has 16 divisors (see below), whose sum is σ = 725279100. Its totient is φ = 192513024.

The previous prime is 385920763. The next prime is 385920781. The reversal of 385920776 is 677029583.

It can be written as a sum of positive squares in 2 ways, for example, as 360012676 + 25908100 = 18974^2 + 5090^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 385920776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52241 + ... + 59168.

Almost surely, 2^385920776 is an apocalyptic number.

It is an amenable number.

385920776 is a deficient number, since it is larger than the sum of its proper divisors (339358324).

385920776 is a wasteful number, since it uses less digits than its factorization.

385920776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111848 (or 111844 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 385920776 is about 19644.8664032108. The cubic root of 385920776 is about 728.0581254157.

The spelling of 385920776 in words is "three hundred eighty-five million, nine hundred twenty thousand, seven hundred seventy-six".