385501700 has 36 divisors (see below), whose sum is σ = 850265892. Its totient is φ = 151670400.

The previous prime is 385501681. The next prime is 385501703. The reversal of 385501700 is 7105583.

It can be written as a sum of positive squares in 6 ways, for example, as 4393216 + 381108484 = 2096^2 + 19522^2 .

It is a super-2 number, since 2×385501700² = 297223121405780000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385501703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25499 + ... + 37698.

It is an arithmetic number, because the mean of its divisors is an integer number (23618497).

Almost surely, 2^385501700 is an apocalyptic number.

It is an amenable number.

385501700 is an abundant number, since it is smaller than the sum of its proper divisors (464764192).

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

385501700 is a wasteful number, since it uses less digits than its factorization.

385501700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63272 (or 63265 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 385501700 is about 19634.1972079329. The cubic root of 385501700 is about 727.7944942820.

The spelling of 385501700 in words is "three hundred eighty-five million, five hundred one thousand, seven hundred".