385809602 has 8 divisors (see below), whose sum is σ = 582400956. Its totient is φ = 191675952.

The previous prime is 385809587. The next prime is 385809623. The reversal of 385809602 is 206908583.

It can be written as a sum of positive squares in 2 ways, for example, as 383024041 + 2785561 = 19571^2 + 1669^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 385809602.

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 3 ways as a sum of consecutive naturals, for example, 614033 + ... + 614660.

Almost surely, 2^385809602 is an apocalyptic number.

385809602 is a deficient number, since it is larger than the sum of its proper divisors (196591354).

385809602 is a wasteful number, since it uses less digits than its factorization.

385809602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228852.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 385809602 is about 19642.0366051996. The cubic root of 385809602 is about 727.9882070001.

The spelling of 385809602 in words is "three hundred eighty-five million, eight hundred nine thousand, six hundred two".