623285 has 16 divisors (see below), whose sum is σ = 827904. Its totient is φ = 447552.

The previous prime is 623281. The next prime is 623291. The reversal of 623285 is 582326.

It is a cyclic number.

It is not a de Polignac number, because 623285 - 2² = 623281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2684 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (51744).

2⁶²³²⁸⁵ is an apocalyptic number.

623285 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

623285 is a deficient number, since it is larger than the sum of its proper divisors (204619).

623285 is a wasteful number, since it uses less digits than its factorization.

623285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its digits is 2880, while the sum is 26.

The square root of 623285 is about 789.4840087044. The cubic root of 623285 is about 85.4205227950.

The spelling of 623285 in words is "six hundred twenty-three thousand, two hundred eighty-five".