920305347 has 8 divisors (see below), whose sum is σ = 1321464144. Its totient is φ = 566341728.

The previous prime is 920305327. The next prime is 920305349. The reversal of 920305347 is 743503029.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 920305347 - 2⁷ = 920305219 is a prime.

It is a super-3 number, since 3×920305347³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (920305349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11798748 + ... + 11798825.

It is an arithmetic number, because the mean of its divisors is an integer number (165183018).

Almost surely, 2^920305347 is an apocalyptic number.

920305347 is a deficient number, since it is larger than the sum of its proper divisors (401158797).

920305347 is a wasteful number, since it uses less digits than its factorization.

920305347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23597589.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 920305347 is about 30336.5348548578. The cubic root of 920305347 is about 972.6964147083.

The spelling of 920305347 in words is "nine hundred twenty million, three hundred five thousand, three hundred forty-seven".