689100942 has 8 divisors (see below), whose sum is σ = 1378201896. Its totient is φ = 229700312.

The previous prime is 689100941. The next prime is 689100959. The reversal of 689100942 is 249001986.

It is a sphenic number, since it is the product of 3 distinct primes.

689100942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 689100942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689100941) 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 3 ways as a sum of consecutive naturals, for example, 57425073 + ... + 57425084.

It is an arithmetic number, because the mean of its divisors is an integer number (172275237).

Almost surely, 2^689100942 is an apocalyptic number.

689100942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

689100942 is a wasteful number, since it uses less digits than its factorization.

689100942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114850162.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 689100942 is about 26250.7322183592. The cubic root of 689100942 is about 883.2716294702.

The spelling of 689100942 in words is "six hundred eighty-nine million, one hundred thousand, nine hundred forty-two".