385922290 has 64 divisors (see below), whose sum is σ = 784982016. Its totient is φ = 135539712.

The previous prime is 385922279. The next prime is 385922293. The reversal of 385922290 is 92229583.

It is not an unprimeable number, because it can be changed into a prime (385922293) 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 31 ways as a sum of consecutive naturals, for example, 1007439 + ... + 1007821.

It is an arithmetic number, because the mean of its divisors is an integer number (12265344).

Almost surely, 2^385922290 is an apocalyptic number.

385922290 is an abundant number, since it is smaller than the sum of its proper divisors (399059726).

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

385922290 is a wasteful number, since it uses less digits than its factorization.

385922290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 385922290 is about 19644.9049374132. The cubic root of 385922290 is about 728.0590774925.

The spelling of 385922290 in words is "three hundred eighty-five million, nine hundred twenty-two thousand, two hundred ninety".