689938050 has 24 divisors (see below), whose sum is σ = 1711046736. Its totient is φ = 183983440.

The previous prime is 689938021. The next prime is 689938069. The reversal of 689938050 is 50839986.

689938050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2299644 + ... + 2299943.

It is an arithmetic number, because the mean of its divisors is an integer number (71293614).

Almost surely, 2^689938050 is an apocalyptic number.

689938050 is an abundant number, since it is smaller than the sum of its proper divisors (1021108686).

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

689938050 is a wasteful number, since it uses less digits than its factorization.

689938050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4599602 (or 4599597 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 689938050 is about 26266.6718485612. The cubic root of 689938050 is about 883.6291458141.

The spelling of 689938050 in words is "six hundred eighty-nine million, nine hundred thirty-eight thousand, fifty".