386275990 has 32 divisors (see below), whose sum is σ = 702478656. Its totient is φ = 152924160.

The previous prime is 386275963. The next prime is 386275991. The reversal of 386275990 is 99572683.

It is a super-3 number, since 3×386275990³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386275991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507210 + ... + 507970.

It is an arithmetic number, because the mean of its divisors is an integer number (21952458).

Almost surely, 2^386275990 is an apocalyptic number.

386275990 is a deficient number, since it is larger than the sum of its proper divisors (316202666).

386275990 is a wasteful number, since it uses less digits than its factorization.

386275990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 386275990 is about 19653.9052099068. The cubic root of 386275990 is about 728.2814330212.

The spelling of 386275990 in words is "three hundred eighty-six million, two hundred seventy-five thousand, nine hundred ninety".