623954 has 8 divisors (see below), whose sum is σ = 940800. Its totient is φ = 310356.

The previous prime is 623947. The next prime is 623957. The reversal of 623954 is 459326.

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (623957) by changing a digit.

623954 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 1145.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

2⁶²³⁹⁵⁴ is an apocalyptic number.

623954 is a deficient number, since it is larger than the sum of its proper divisors (316846).

623954 is a wasteful number, since it uses less digits than its factorization.

623954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

The product of its digits is 6480, while the sum is 29.

The square root of 623954 is about 789.9075895318. The cubic root of 623954 is about 85.4510737715.

The spelling of 623954 in words is "six hundred twenty-three thousand, nine hundred fifty-four".