920972329 has 2 divisors, whose sum is σ = 920972330. Its totient is φ = 920972328.

The previous prime is 920972317. The next prime is 920972347. The reversal of 920972329 is 923279029.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 812250000 + 108722329 = 28500^2 + 10427^2 .

It is a cyclic number.

It is not a de Polignac number, because 920972329 - 2⁷ = 920972201 is a prime.

It is not a weakly prime, because it can be changed into another prime (920972309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460486164 + 460486165.

It is an arithmetic number, because the mean of its divisors is an integer number (460486165).

Almost surely, 2^920972329 is an apocalyptic number.

It is an amenable number.

920972329 is a deficient number, since it is larger than the sum of its proper divisors (1).

920972329 is an equidigital number, since it uses as much as digits as its factorization.

920972329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 920972329 is about 30347.5259123376. The cubic root of 920972329 is about 972.9313419294.

The spelling of 920972329 in words is "nine hundred twenty million, nine hundred seventy-two thousand, three hundred twenty-nine".