308434 has 8 divisors (see below), whose sum is σ = 528768. Its totient is φ = 132180.

The previous prime is 308423. The next prime is 308437. The reversal of 308434 is 434803.

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

It is not an unprimeable number, because it can be changed into a prime (308437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11002 + ... + 11029.

It is an arithmetic number, because the mean of its divisors is an integer number (66096).

2³⁰⁸⁴³⁴ is an apocalyptic number.

308434 is a deficient number, since it is larger than the sum of its proper divisors (220334).

308434 is a wasteful number, since it uses less digits than its factorization.

308434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22040.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 308434 is about 555.3683462352. The cubic root of 308434 is about 67.5648393882.

It can be divided in two parts, 30 and 8434, that added together give a square (8464 = 92²).

The spelling of 308434 in words is "three hundred eight thousand, four hundred thirty-four".