920943306 has 12 divisors (see below), whose sum is σ = 1995377202. Its totient is φ = 306981096.

The previous prime is 920943293. The next prime is 920943307. The reversal of 920943306 is 603349029.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 899460081 + 21483225 = 29991^2 + 4635^2 .

It is not an unprimeable number, because it can be changed into a prime (920943307) 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 5 ways as a sum of consecutive naturals, for example, 25581741 + ... + 25581776.

Almost surely, 2^920943306 is an apocalyptic number.

920943306 is an abundant number, since it is smaller than the sum of its proper divisors (1074433896).

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

920943306 is a wasteful number, since it uses less digits than its factorization.

920943306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51163525 (or 51163522 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 920943306 is about 30347.0477312044. The cubic root of 920943306 is about 972.9211216864.

The spelling of 920943306 in words is "nine hundred twenty million, nine hundred forty-three thousand, three hundred six".