386720733 has 16 divisors (see below), whose sum is σ = 603662976. Its totient is φ = 215592960.

The previous prime is 386720693. The next prime is 386720749. The reversal of 386720733 is 337027683.

It is not a de Polignac number, because 386720733 - 2⁶ = 386720669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 386720691 and 386720700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386720783) 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, 223716 + ... + 225437.

It is an arithmetic number, because the mean of its divisors is an integer number (37728936).

Almost surely, 2^386720733 is an apocalyptic number.

It is an amenable number.

386720733 is a deficient number, since it is larger than the sum of its proper divisors (216942243).

386720733 is a wasteful number, since it uses less digits than its factorization.

386720733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449204.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 386720733 is about 19665.2163222274. The cubic root of 386720733 is about 728.5608306966.

The spelling of 386720733 in words is "three hundred eighty-six million, seven hundred twenty thousand, seven hundred thirty-three".