385388883 has 12 divisors (see below), whose sum is σ = 607279608. Its totient is φ = 233568960.

The previous prime is 385388879. The next prime is 385388903. The reversal of 385388883 is 388883583.

It is not a de Polignac number, because 385388883 - 2² = 385388879 is a prime.

It is a super-2 number, since 2×385388883² = 297049182279975378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385388863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1946310 + ... + 1946507.

It is an arithmetic number, because the mean of its divisors is an integer number (50606634).

Almost surely, 2^385388883 is an apocalyptic number.

385388883 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

385388883 is a deficient number, since it is larger than the sum of its proper divisors (221890725).

385388883 is a wasteful number, since it uses less digits than its factorization.

385388883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892834 (or 3892831 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 385388883 is about 19631.3240256484. The cubic root of 385388883 is about 727.7234910479.

The spelling of 385388883 in words is "three hundred eighty-five million, three hundred eighty-eight thousand, eight hundred eighty-three".