406316146 has 8 divisors (see below), whose sum is σ = 613565100. Its totient is φ = 201794448.

The previous prime is 406316143. The next prime is 406316171. The reversal of 406316146 is 641613604.

It can be written as a sum of positive squares in 2 ways, for example, as 373996921 + 32319225 = 19339^2 + 5685^2 .

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

It is not an unprimeable number, because it can be changed into a prime (406316143) 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, 681441 + ... + 682036.

Almost surely, 2^406316146 is an apocalyptic number.

406316146 is a deficient number, since it is larger than the sum of its proper divisors (207248954).

406316146 is a wasteful number, since it uses less digits than its factorization.

406316146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363628.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 406316146 is about 20157.2851842702. The cubic root of 406316146 is about 740.6642112825.

The spelling of 406316146 in words is "four hundred six million, three hundred sixteen thousand, one hundred forty-six".