406184873 has 4 divisors (see below), whose sum is σ = 406529988. Its totient is φ = 405839760.

The previous prime is 406184843. The next prime is 406184879. The reversal of 406184873 is 378481604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156450064 + 249734809 = 12508^2 + 15803^2 .

It is a cyclic number.

It is not a de Polignac number, because 406184873 - 2⁶ = 406184809 is a prime.

It is a super-2 number, since 2×406184873² = 329972302108052258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406184873.

It is not an unprimeable number, because it can be changed into a prime (406184879) 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, 170786 + ... + 173147.

It is an arithmetic number, because the mean of its divisors is an integer number (101632497).

Almost surely, 2^406184873 is an apocalyptic number.

It is an amenable number.

406184873 is a deficient number, since it is larger than the sum of its proper divisors (345115).

406184873 is a wasteful number, since it uses less digits than its factorization.

406184873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345114.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 406184873 is about 20154.0287039589. The cubic root of 406184873 is about 740.5844378624.

The spelling of 406184873 in words is "four hundred six million, one hundred eighty-four thousand, eight hundred seventy-three".