984641641 has 3 divisors (see below), whose sum is σ = 984673021. Its totient is φ = 984610262.

The previous prime is 984641597. The next prime is 984641653. The reversal of 984641641 is 146146489.

The square root of 984641641 is 31379.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 984641641 - 2⁹ = 984641129 is a prime.

It is a super-2 number, since 2×984641641² = 1939038322382345762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984641041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15690 + ... + 47068.

Almost surely, 2^984641641 is an apocalyptic number.

984641641 is the 31379-th square number.

984641641 is the 15690-th centered octagonal number.

It is an amenable number.

984641641 is a deficient number, since it is larger than the sum of its proper divisors (31380).

984641641 is an frugal number, since it uses more digits than its factorization.

984641641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62758 (or 31379 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The cubic root of 984641641 is about 994.8541122607.

The spelling of 984641641 in words is "nine hundred eighty-four million, six hundred forty-one thousand, six hundred forty-one".