623834 has 8 divisors (see below), whose sum is σ = 939360. Its totient is φ = 310716.

The previous prime is 623803. The next prime is 623839. The reversal of 623834 is 438326.

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 (623839) 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, 347 + ... + 1169.

It is an arithmetic number, because the mean of its divisors is an integer number (117420).

2⁶²³⁸³⁴ is an apocalyptic number.

623834 is a deficient number, since it is larger than the sum of its proper divisors (315526).

623834 is a wasteful number, since it uses less digits than its factorization.

623834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its digits is 3456, while the sum is 26.

The square root of 623834 is about 789.8316276271. The cubic root of 623834 is about 85.4455953835.

The spelling of 623834 in words is "six hundred twenty-three thousand, eight hundred thirty-four".