386890803 has 16 divisors (see below), whose sum is σ = 617262240. Its totient is φ = 238086432.

The previous prime is 386890783. The next prime is 386890807. The reversal of 386890803 is 308098683.

It is not a de Polignac number, because 386890803 - 2⁵ = 386890771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386890807) 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 15 ways as a sum of consecutive naturals, for example, 550776 + ... + 551477.

It is an arithmetic number, because the mean of its divisors is an integer number (38578890).

Almost surely, 2^386890803 is an apocalyptic number.

386890803 is a deficient number, since it is larger than the sum of its proper divisors (230371437).

386890803 is a wasteful number, since it uses less digits than its factorization.

386890803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102275 (or 1102269 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 386890803 is about 19669.5399793691. The cubic root of 386890803 is about 728.6676159215.

The spelling of 386890803 in words is "three hundred eighty-six million, eight hundred ninety thousand, eight hundred three".