306449 has 8 divisors (see below), whose sum is σ = 360192. Its totient is φ = 257040.

The previous prime is 306437. The next prime is 306457. The reversal of 306449 is 944603.

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

It is a cyclic number.

It is not a de Polignac number, because 306449 - 2⁸ = 306193 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (306419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (45024).

2³⁰⁶⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

306449 is a deficient number, since it is larger than the sum of its proper divisors (53743).

306449 is a wasteful number, since it uses less digits than its factorization.

306449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 306449 is about 553.5783594036. The cubic root of 306449 is about 67.4195841618.

It can be divided in two parts, 3064 and 49, that added together give a palindrome (3113).

The spelling of 306449 in words is "three hundred six thousand, four hundred forty-nine".