623894 has 8 divisors (see below), whose sum is σ = 961248. Its totient is φ = 303480.

The previous prime is 623893. The next prime is 623923. The reversal of 623894 is 498326.

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

It is a d-powerful number, because it can be written as 6⁵ + 2¹⁹ + 8⁵ + 3¹⁰ + 9 + 4 .

It is a self number, because there is not a number n which added to its sum of digits gives 623894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623893) 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, 4142 + ... + 4289.

It is an arithmetic number, because the mean of its divisors is an integer number (120156).

2⁶²³⁸⁹⁴ is an apocalyptic number.

623894 is a deficient number, since it is larger than the sum of its proper divisors (337354).

623894 is a wasteful number, since it uses less digits than its factorization.

623894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470.

The product of its digits is 10368, while the sum is 32.

The square root of 623894 is about 789.8696094926. The cubic root of 623894 is about 85.4483346653.

The spelling of 623894 in words is "six hundred twenty-three thousand, eight hundred ninety-four".