704224989 has 16 divisors (see below), whose sum is σ = 1123550400. Its totient is φ = 433369008.

The previous prime is 704224973. The next prime is 704224993. The reversal of 704224989 is 989422407.

It is not a de Polignac number, because 704224989 - 2⁴ = 704224973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704224909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002819 + ... + 1003520.

It is an arithmetic number, because the mean of its divisors is an integer number (70221900).

Almost surely, 2^704224989 is an apocalyptic number.

It is an amenable number.

704224989 is a deficient number, since it is larger than the sum of its proper divisors (419325411).

704224989 is a wasteful number, since it uses less digits than its factorization.

704224989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006361 (or 2006355 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 704224989 is about 26537.2377801458. The cubic root of 704224989 is about 889.6867933796.

The spelling of 704224989 in words is "seven hundred four million, two hundred twenty-four thousand, nine hundred eighty-nine".