928920973 has 2 divisors, whose sum is σ = 928920974. Its totient is φ = 928920972.

The previous prime is 928920943. The next prime is 928920989. The reversal of 928920973 is 379029829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 660387204 + 268533769 = 25698^2 + 16387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-928920973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (928920943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464460486 + 464460487.

It is an arithmetic number, because the mean of its divisors is an integer number (464460487).

Almost surely, 2^928920973 is an apocalyptic number.

It is an amenable number.

928920973 is a deficient number, since it is larger than the sum of its proper divisors (1).

928920973 is an equidigital number, since it uses as much as digits as its factorization.

928920973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 928920973 is about 30478.2048848025. The cubic root of 928920973 is about 975.7223568214.

The spelling of 928920973 in words is "nine hundred twenty-eight million, nine hundred twenty thousand, nine hundred seventy-three".