789448209 has 16 divisors (see below), whose sum is σ = 1150801344. Its totient is φ = 477406400.

The previous prime is 789448199. The next prime is 789448211. The reversal of 789448209 is 902844987.

It is a cyclic number.

It is not a de Polignac number, because 789448209 - 2⁹ = 789447697 is a prime.

It is a super-3 number, since 3×789448209³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (789448229) 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, 10734 + ... + 41159.

It is an arithmetic number, because the mean of its divisors is an integer number (71925084).

Almost surely, 2^789448209 is an apocalyptic number.

It is an amenable number.

789448209 is a deficient number, since it is larger than the sum of its proper divisors (361353135).

789448209 is a wasteful number, since it uses less digits than its factorization.

789448209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52368.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 789448209 is about 28097.1210090998. The cubic root of 789448209 is about 924.2182668250.

It can be divided in two parts, 78944 and 8209, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 789448209 in words is "seven hundred eighty-nine million, four hundred forty-eight thousand, two hundred nine".