385554090 has 32 divisors (see below), whose sum is σ = 936484416. Its totient is φ = 101575040.

The previous prime is 385554077. The next prime is 385554131. The reversal of 385554090 is 90455583.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74931 + ... + 79910.

It is an arithmetic number, because the mean of its divisors is an integer number (29265138).

Almost surely, 2^385554090 is an apocalyptic number.

385554090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385554090 is an abundant number, since it is smaller than the sum of its proper divisors (550930326).

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

385554090 is a wasteful number, since it uses less digits than its factorization.

385554090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154934.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 385554090 is about 19635.5313144310. The cubic root of 385554090 is about 727.8274620799.

The spelling of 385554090 in words is "three hundred eighty-five million, five hundred fifty-four thousand, ninety".