385021097 has 8 divisors (see below), whose sum is σ = 401410944. Its totient is φ = 368969328.

The previous prime is 385021093. The next prime is 385021103. The reversal of 385021097 is 790120583.

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

It is a cyclic number.

It is not a de Polignac number, because 385021097 - 2² = 385021093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385021093) 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, 82193 + ... + 86750.

It is an arithmetic number, because the mean of its divisors is an integer number (50176368).

Almost surely, 2^385021097 is an apocalyptic number.

It is an amenable number.

385021097 is a deficient number, since it is larger than the sum of its proper divisors (16389847).

385021097 is a wasteful number, since it uses less digits than its factorization.

385021097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169039.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 385021097 is about 19621.9544643239. The cubic root of 385021097 is about 727.4919226163.

The spelling of 385021097 in words is "three hundred eighty-five million, twenty-one thousand, ninety-seven".