984380651 has 2 divisors, whose sum is σ = 984380652. Its totient is φ = 984380650.

The previous prime is 984380641. The next prime is 984380659. The reversal of 984380651 is 156083489.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 984380651 - 2⁶ = 984380587 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (984380659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492190325 + 492190326.

It is an arithmetic number, because the mean of its divisors is an integer number (492190326).

Almost surely, 2^984380651 is an apocalyptic number.

984380651 is a deficient number, since it is larger than the sum of its proper divisors (1).

984380651 is an equidigital number, since it uses as much as digits as its factorization.

984380651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 984380651 is about 31374.8410513902. The cubic root of 984380651 is about 994.7662055177.

The spelling of 984380651 in words is "nine hundred eighty-four million, three hundred eighty thousand, six hundred fifty-one".