406069 has 4 divisors (see below), whose sum is σ = 419200. Its totient is φ = 392940.

The previous prime is 406067. The next prime is 406073. The reversal of 406069 is 960604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406069 - 2¹ = 406067 is a prime.

It is a super-2 number, since 2×406069² = 329784065522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406067) 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, 6519 + ... + 6580.

It is an arithmetic number, because the mean of its divisors is an integer number (104800).

2⁴⁰⁶⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

406069 is a deficient number, since it is larger than the sum of its proper divisors (13131).

406069 is a wasteful number, since it uses less digits than its factorization.

406069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13130.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 406069 is about 637.2354352984. The cubic root of 406069 is about 74.0514008601.

The spelling of 406069 in words is "four hundred six thousand, sixty-nine".