623536 has 10 divisors (see below), whose sum is σ = 1208132. Its totient is φ = 311760.

The previous prime is 623531. The next prime is 623537. The reversal of 623536 is 635326.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 623536.

It is not an unprimeable number, because it can be changed into a prime (623531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19470 + ... + 19501.

2⁶²³⁵³⁶ is an apocalyptic number.

It is an amenable number.

623536 is a deficient number, since it is larger than the sum of its proper divisors (584596).

623536 is a wasteful number, since it uses less digits than its factorization.

623536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38979 (or 38973 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 623536 is about 789.6429572915. The cubic root of 623536 is about 85.4319876807.

The spelling of 623536 in words is "six hundred twenty-three thousand, five hundred thirty-six".