386730225 has 72 divisors (see below), whose sum is σ = 819024960. Its totient is φ = 170674560.

The previous prime is 386730221. The next prime is 386730233. The reversal of 386730225 is 522037683.

It is not a de Polignac number, because 386730225 - 2² = 386730221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 386730225.

It is not an unprimeable number, because it can be changed into a prime (386730221) 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 71 ways as a sum of consecutive naturals, for example, 41442 + ... + 49908.

Almost surely, 2^386730225 is an apocalyptic number.

386730225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

386730225 is an abundant number, since it is smaller than the sum of its proper divisors (432294735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386730225 is a wasteful number, since it uses less digits than its factorization.

386730225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8519 (or 8511 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 386730225 is about 19665.4576605784. The cubic root of 386730225 is about 728.5667914518.

The spelling of 386730225 in words is "three hundred eighty-six million, seven hundred thirty thousand, two hundred twenty-five".