385461128 has 32 divisors (see below), whose sum is σ = 824123160. Its totient is φ = 167439360.

The previous prime is 385461121. The next prime is 385461149. The reversal of 385461128 is 821164583.

It can be written as a sum of positive squares in 4 ways, for example, as 289068004 + 96393124 = 17002^2 + 9818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 385461091 and 385461100.

It is not an unprimeable number, because it can be changed into a prime (385461121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107243 + ... + 110778.

Almost surely, 2^385461128 is an apocalyptic number.

It is an amenable number.

385461128 is an abundant number, since it is smaller than the sum of its proper divisors (438662032).

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

385461128 is a wasteful number, since it uses less digits than its factorization.

385461128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218057 (or 218053 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 385461128 is about 19633.1639834236. The cubic root of 385461128 is about 727.7689612220.

The spelling of 385461128 in words is "three hundred eighty-five million, four hundred sixty-one thousand, one hundred twenty-eight".