689050476 has 90 divisors (see below), whose sum is σ = 1828147860. Its totient is φ = 226304928.

The previous prime is 689050463. The next prime is 689050487. The reversal of 689050476 is 674050986.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3849355 + ... + 3849533.

It is an arithmetic number, because the mean of its divisors is an integer number (20312754).

Almost surely, 2^689050476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689050476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914073930).

689050476 is an abundant number, since it is smaller than the sum of its proper divisors (1139097384).

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

689050476 is a wasteful number, since it uses less digits than its factorization.

689050476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 689050476 is about 26249.7709704294. The cubic root of 689050476 is about 883.2500669426.

The spelling of 689050476 in words is "six hundred eighty-nine million, fifty thousand, four hundred seventy-six".