385978476 has 96 divisors (see below), whose sum is σ = 1007935488. Its totient is φ = 114197760.

The previous prime is 385978451. The next prime is 385978477. The reversal of 385978476 is 674879583.

It is not an unprimeable number, because it can be changed into a prime (385978477) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 446821 + ... + 447683.

It is an arithmetic number, because the mean of its divisors is an integer number (10499328).

Almost surely, 2^385978476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385978476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503967744).

385978476 is an abundant number, since it is smaller than the sum of its proper divisors (621957012).

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

385978476 is a wasteful number, since it uses less digits than its factorization.

385978476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 989 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 385978476 is about 19646.3349253748. The cubic root of 385978476 is about 728.0944082170.

The spelling of 385978476 in words is "three hundred eighty-five million, nine hundred seventy-eight thousand, four hundred seventy-six".