406156 has 12 divisors (see below), whose sum is σ = 723240. Its totient is φ = 199520.

The previous prime is 406123. The next prime is 406169. The reversal of 406156 is 651604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625 + ... + 1096.

It is an arithmetic number, because the mean of its divisors is an integer number (60270).

2⁴⁰⁶¹⁵⁶ is an apocalyptic number.

It is an amenable number.

406156 is a deficient number, since it is larger than the sum of its proper divisors (317084).

406156 is a wasteful number, since it uses less digits than its factorization.

406156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1782 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 406156 is about 637.3036952662. The cubic root of 406156 is about 74.0566889694.

It can be divided in two parts, 406 and 156, that multiplied together give a palindrome (63336).

The spelling of 406156 in words is "four hundred six thousand, one hundred fifty-six".