623416 has 16 divisors (see below), whose sum is σ = 1179000. Its totient is φ = 309024.

The previous prime is 623401. The next prime is 623417. The reversal of 623416 is 614326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623417) 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, 931 + ... + 1453.

2⁶²³⁴¹⁶ is an apocalyptic number.

It is an amenable number.

623416 is a deficient number, since it is larger than the sum of its proper divisors (555584).

623416 is a wasteful number, since it uses less digits than its factorization.

623416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 674 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 623416 is about 789.5669699272. The cubic root of 623416 is about 85.4265068444.

The spelling of 623416 in words is "six hundred twenty-three thousand, four hundred sixteen".