406149 has 8 divisors (see below), whose sum is σ = 556320. Its totient is φ = 263376.

The previous prime is 406123. The next prime is 406169. The reversal of 406149 is 941604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406149 - 2⁵ = 406117 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (69540).

2⁴⁰⁶¹⁴⁹ is an apocalyptic number.

It is an amenable number.

406149 is a deficient number, since it is larger than the sum of its proper divisors (150171).

406149 is a wasteful number, since it uses less digits than its factorization.

406149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 406149 is about 637.2982033554. The cubic root of 406149 is about 74.0562635173.

It can be divided in two parts, 406 and 149, that added together give a palindrome (555).

The spelling of 406149 in words is "four hundred six thousand, one hundred forty-nine".