406162177 has 4 divisors (see below), whose sum is σ = 407607876. Its totient is φ = 404716480.

The previous prime is 406162157. The next prime is 406162193. The reversal of 406162177 is 771261604.

It is a happy number.

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 108910096 + 297252081 = 10436^2 + 17241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406162177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406162117) 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 3 ways as a sum of consecutive naturals, for example, 722428 + ... + 722989.

It is an arithmetic number, because the mean of its divisors is an integer number (101901969).

Almost surely, 2^406162177 is an apocalyptic number.

It is an amenable number.

406162177 is a deficient number, since it is larger than the sum of its proper divisors (1445699).

406162177 is a wasteful number, since it uses less digits than its factorization.

406162177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445698.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 406162177 is about 20153.4656324911. The cubic root of 406162177 is about 740.5706439649.

The spelling of 406162177 in words is "four hundred six million, one hundred sixty-two thousand, one hundred seventy-seven".