623284 has 6 divisors (see below), whose sum is σ = 1090754. Its totient is φ = 311640.

The previous prime is 623281. The next prime is 623291. The reversal of 623284 is 482326.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 14884 = 780^2 + 122^2 .

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 as a sum of consecutive naturals, namely, 77907 + ... + 77914.

2⁶²³²⁸⁴ is an apocalyptic number.

It is an amenable number.

623284 is a deficient number, since it is larger than the sum of its proper divisors (467470).

623284 is a wasteful number, since it uses less digits than its factorization.

623284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155825 (or 155823 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 623284 is about 789.4833753791. The cubic root of 623284 is about 85.4204771121.

The spelling of 623284 in words is "six hundred twenty-three thousand, two hundred eighty-four".