623716 has 12 divisors (see below), whose sum is σ = 1098160. Its totient is φ = 309960.

The previous prime is 623699. The next prime is 623717. The reversal of 623716 is 617326.

623716 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (623717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475 + ... + 1213.

2⁶²³⁷¹⁶ is an apocalyptic number.

It is an amenable number.

623716 is a deficient number, since it is larger than the sum of its proper divisors (474444).

623716 is a wasteful number, since it uses less digits than its factorization.

623716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 952 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 623716 is about 789.7569246293. The cubic root of 623716 is about 85.4402076168.

The spelling of 623716 in words is "six hundred twenty-three thousand, seven hundred sixteen".