385449883 has 8 divisors (see below), whose sum is σ = 474399968. Its totient is φ = 304971264.

The previous prime is 385449881. The next prime is 385449899. The reversal of 385449883 is 388944583.

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

It is not a de Polignac number, because 385449883 - 2¹ = 385449881 is a prime.

It is a super-2 number, since 2×385449883² = 297143224609427378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385449883.

It is not an unprimeable number, because it can be changed into a prime (385449881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117766 + ... + 2117947.

It is an arithmetic number, because the mean of its divisors is an integer number (59299996).

Almost surely, 2^385449883 is an apocalyptic number.

385449883 is a deficient number, since it is larger than the sum of its proper divisors (88950085).

385449883 is a wasteful number, since it uses less digits than its factorization.

385449883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235733.

The product of its digits is 3317760, while the sum is 52.

The square root of 385449883 is about 19632.8776036525. The cubic root of 385449883 is about 727.7618841214.

The spelling of 385449883 in words is "three hundred eighty-five million, four hundred forty-nine thousand, eight hundred eighty-three".