405596 has 6 divisors (see below), whose sum is σ = 709800. Its totient is φ = 202796.

The previous prime is 405577. The next prime is 405599. The reversal of 405596 is 695504.

405596 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405599) by changing a digit.

405596 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50696 + ... + 50703.

It is an arithmetic number, because the mean of its divisors is an integer number (118300).

2⁴⁰⁵⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

405596 is a deficient number, since it is larger than the sum of its proper divisors (304204).

405596 is a wasteful number, since it uses less digits than its factorization.

405596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101403 (or 101401 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 405596 is about 636.8641927444. The cubic root of 405596 is about 74.0226373402.

It can be divided in two parts, 405 and 596, that added together give a palindrome (1001).

The spelling of 405596 in words is "four hundred five thousand, five hundred ninety-six".