984380377 has 2 divisors, whose sum is σ = 984380378. Its totient is φ = 984380376.

The previous prime is 984380351. The next prime is 984380401. The reversal of 984380377 is 773083489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 969139161 + 15241216 = 31131^2 + 3904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-984380377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 984380377.

It is not a weakly prime, because it can be changed into another prime (984380777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492190188 + 492190189.

It is an arithmetic number, because the mean of its divisors is an integer number (492190189).

Almost surely, 2^984380377 is an apocalyptic number.

It is an amenable number.

984380377 is a deficient number, since it is larger than the sum of its proper divisors (1).

984380377 is an equidigital number, since it uses as much as digits as its factorization.

984380377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 984380377 is about 31374.8366848339. The cubic root of 984380377 is about 994.7661132208.

The spelling of 984380377 in words is "nine hundred eighty-four million, three hundred eighty thousand, three hundred seventy-seven".