305694 has 48 divisors (see below), whose sum is σ = 746928. Its totient is φ = 93312.

The previous prime is 305663. The next prime is 305717. The reversal of 305694 is 496503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 305694.

It is an unprimeable number.

305694 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8244 + ... + 8280.

It is an arithmetic number, because the mean of its divisors is an integer number (15561).

2³⁰⁵⁶⁹⁴ is an apocalyptic number.

305694 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 305694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373464).

305694 is an abundant number, since it is smaller than the sum of its proper divisors (441234).

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

305694 is a wasteful number, since it uses less digits than its factorization.

305694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 305694 is about 552.8960119227. The cubic root of 305694 is about 67.3641713028.

It can be divided in two parts, 305 and 694, that added together give a palindrome (999).

The spelling of 305694 in words is "three hundred five thousand, six hundred ninety-four".