308049 has 8 divisors (see below), whose sum is σ = 469440. Its totient is φ = 176016.

The previous prime is 308041. The next prime is 308051. The reversal of 308049 is 940803.

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

It is not a de Polignac number, because 308049 - 2³ = 308041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (308041) 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, 7314 + ... + 7355.

It is an arithmetic number, because the mean of its divisors is an integer number (58680).

2³⁰⁸⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

308049 is a deficient number, since it is larger than the sum of its proper divisors (161391).

308049 is a wasteful number, since it uses less digits than its factorization.

308049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14679.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 308049 is about 555.0216212005. The cubic root of 308049 is about 67.5367152796.

Subtracting from 308049 its sum of digits (24), we obtain a square (308025 = 555²).

The spelling of 308049 in words is "three hundred eight thousand, forty-nine".