401206 has 12 divisors (see below), whose sum is σ = 652212. Its totient is φ = 185016.

The previous prime is 401201. The next prime is 401209. The reversal of 401206 is 602104.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (54351).

2⁴⁰¹²⁰⁶ is an apocalyptic number.

401206 is a deficient number, since it is larger than the sum of its proper divisors (251006).

401206 is a wasteful number, since it uses less digits than its factorization.

401206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 401206 is about 633.4082411842. The cubic root of 401206 is about 73.7546047111.

The spelling of 401206 in words is "four hundred one thousand, two hundred six".