689573403 has 48 divisors (see below), whose sum is σ = 1092293280. Its totient is φ = 417664512.

The previous prime is 689573399. The next prime is 689573411. The reversal of 689573403 is 304375986.

It is not a de Polignac number, because 689573403 - 2² = 689573399 is a prime.

It is a super-4 number, since 4×689573403⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (689573453) 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 47 ways as a sum of consecutive naturals, for example, 461125 + ... + 462617.

It is an arithmetic number, because the mean of its divisors is an integer number (22756110).

Almost surely, 2^689573403 is an apocalyptic number.

689573403 is a deficient number, since it is larger than the sum of its proper divisors (402719877).

689573403 is a wasteful number, since it uses less digits than its factorization.

689573403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 689573403 is about 26259.7296825386. The cubic root of 689573403 is about 883.4734460866.

The spelling of 689573403 in words is "six hundred eighty-nine million, five hundred seventy-three thousand, four hundred three".