385566099 has 8 divisors (see below), whose sum is σ = 515112192. Its totient is φ = 256532040.

The previous prime is 385566059. The next prime is 385566101. The reversal of 385566099 is 990665583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385566099 - 2¹¹ = 385564051 is a prime.

It is a super-2 number, since 2×385566099² = 297322433396155602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385566029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 126247 + ... + 129264.

It is an arithmetic number, because the mean of its divisors is an integer number (64389024).

Almost surely, 2^385566099 is an apocalyptic number.

385566099 is a deficient number, since it is larger than the sum of its proper divisors (129546093).

385566099 is a wasteful number, since it uses less digits than its factorization.

385566099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256017.

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 385566099 is about 19635.8371097338. The cubic root of 385566099 is about 727.8350186411.

The spelling of 385566099 in words is "three hundred eighty-five million, five hundred sixty-six thousand, ninety-nine".