385342790 has 32 divisors (see below), whose sum is σ = 814135104. Its totient is φ = 128545920.

The previous prime is 385342717. The next prime is 385342813. The reversal of 385342790 is 97243583.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71801 + ... + 76980.

It is an arithmetic number, because the mean of its divisors is an integer number (25441722).

Almost surely, 2^385342790 is an apocalyptic number.

385342790 is an abundant number, since it is smaller than the sum of its proper divisors (428792314).

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

385342790 is a wasteful number, since it uses less digits than its factorization.

385342790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148832.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 385342790 is about 19630.1500248979. The cubic root of 385342790 is about 727.6944776732.

The spelling of 385342790 in words is "three hundred eighty-five million, three hundred forty-two thousand, seven hundred ninety".