984273649 has 4 divisors (see below), whose sum is σ = 985121136. Its totient is φ = 983426164.

The previous prime is 984273611. The next prime is 984273683. The reversal of 984273649 is 946372489.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 984273649 - 2¹¹ = 984271601 is a prime.

It is a super-2 number, since 2×984273649² = 1937589232231550402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 984273596 and 984273605.

It is not an unprimeable number, because it can be changed into a prime (984273049) 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, 421999 + ... + 424324.

It is an arithmetic number, because the mean of its divisors is an integer number (246280284).

Almost surely, 2^984273649 is an apocalyptic number.

It is an amenable number.

984273649 is a deficient number, since it is larger than the sum of its proper divisors (847487).

984273649 is a wasteful number, since it uses less digits than its factorization.

984273649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847486.

The product of its digits is 2612736, while the sum is 52.

The square root of 984273649 is about 31373.1357852542. The cubic root of 984273649 is about 994.7301605757.

The spelling of 984273649 in words is "nine hundred eighty-four million, two hundred seventy-three thousand, six hundred forty-nine".