984262261 has 4 divisors (see below), whose sum is σ = 993292300. Its totient is φ = 975232224.

The previous prime is 984262247. The next prime is 984262289. The reversal of 984262261 is 162262489.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 869129361 + 115132900 = 29481^2 + 10730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-984262261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984262231) 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 3 ways as a sum of consecutive naturals, for example, 4514856 + ... + 4515073.

It is an arithmetic number, because the mean of its divisors is an integer number (248323075).

Almost surely, 2^984262261 is an apocalyptic number.

It is an amenable number.

984262261 is a deficient number, since it is larger than the sum of its proper divisors (9030039).

984262261 is a wasteful number, since it uses less digits than its factorization.

984262261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030038.

The product of its digits is 82944, while the sum is 40.

The square root of 984262261 is about 31372.9542918738. The cubic root of 984262261 is about 994.7263242338.

The spelling of 984262261 in words is "nine hundred eighty-four million, two hundred sixty-two thousand, two hundred sixty-one".