984984649 has 6 divisors (see below), whose sum is σ = 1082669210. Its totient is φ = 895440480.

The previous prime is 984984599. The next prime is 984984661. The reversal of 984984649 is 946489489.

It can be written as a sum of positive squares in only one way, i.e., 554131600 + 430853049 = 23540^2 + 20757^2 .

It is not a de Polignac number, because 984984649 - 2⁷ = 984984521 is a prime.

It is a super-5 number, since 5×984984649⁵ (a number of 46 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984988649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4070064 + ... + 4070305.

Almost surely, 2^984984649 is an apocalyptic number.

It is an amenable number.

984984649 is a deficient number, since it is larger than the sum of its proper divisors (97684561).

984984649 is a wasteful number, since it uses less digits than its factorization.

984984649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140391 (or 8140380 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 61.

The square root of 984984649 is about 31384.4650902321. The cubic root of 984984649 is about 994.9696207150.

The spelling of 984984649 in words is "nine hundred eighty-four million, nine hundred eighty-four thousand, six hundred forty-nine".