396466161 has 64 divisors (see below), whose sum is σ = 681246720. Its totient is φ = 199480320.

The previous prime is 396466151. The next prime is 396466171. The reversal of 396466161 is 161664693.

It is an interprime number because it is at equal distance from previous prime (396466151) and next prime (396466171).

It is not a de Polignac number, because 396466161 - 2⁷ = 396466033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396466151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 668281 + ... + 668873.

It is an arithmetic number, because the mean of its divisors is an integer number (10644480).

Almost surely, 2^396466161 is an apocalyptic number.

396466161 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

396466161 is a deficient number, since it is larger than the sum of its proper divisors (284780559).

396466161 is a wasteful number, since it uses less digits than its factorization.

396466161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

The product of its digits is 139968, while the sum is 42.

The square root of 396466161 is about 19911.4580330020. The cubic root of 396466161 is about 734.6300827255.

It can be divided in two parts, 3964 and 66161, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 396466161 in words is "three hundred ninety-six million, four hundred sixty-six thousand, one hundred sixty-one".