730984489 has 2 divisors, whose sum is σ = 730984490. Its totient is φ = 730984488.

The previous prime is 730984483. The next prime is 730984523. The reversal of 730984489 is 984489037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 717168400 + 13816089 = 26780^2 + 3717^2 .

It is a cyclic number.

It is not a de Polignac number, because 730984489 - 2³ = 730984481 is a prime.

It is a super-2 number, since 2×730984489² = 1068676646317182242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (730984481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365492244 + 365492245.

It is an arithmetic number, because the mean of its divisors is an integer number (365492245).

Almost surely, 2^730984489 is an apocalyptic number.

It is an amenable number.

730984489 is a deficient number, since it is larger than the sum of its proper divisors (1).

730984489 is an equidigital number, since it uses as much as digits as its factorization.

730984489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 730984489 is about 27036.7248201405. The cubic root of 730984489 is about 900.8159222174.

The spelling of 730984489 in words is "seven hundred thirty million, nine hundred eighty-four thousand, four hundred eighty-nine".