709889900 has 18 divisors (see below), whose sum is σ = 1540461300. Its totient is φ = 283955920.

The previous prime is 709889849. The next prime is 709889903. The reversal of 709889900 is 9988907.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (709889903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3549350 + ... + 3549549.

Almost surely, 2^709889900 is an apocalyptic number.

It is an amenable number.

709889900 is an abundant number, since it is smaller than the sum of its proper divisors (830571400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

709889900 is a wasteful number, since it uses less digits than its factorization.

709889900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098913 (or 7098906 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 50.

The square root of 709889900 is about 26643.7591191633. The cubic root of 709889900 is about 892.0660246596.

The spelling of 709889900 in words is "seven hundred nine million, eight hundred eighty-nine thousand, nine hundred".