406838168 has 32 divisors (see below), whose sum is σ = 868354560. Its totient is φ = 176885280.

The previous prime is 406838161. The next prime is 406838177. The reversal of 406838168 is 861838604.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406838161) 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 7 ways as a sum of consecutive naturals, for example, 98480 + ... + 102527.

It is an arithmetic number, because the mean of its divisors is an integer number (27136080).

Almost surely, 2^406838168 is an apocalyptic number.

It is an amenable number.

406838168 is an abundant number, since it is smaller than the sum of its proper divisors (461516392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406838168 is a wasteful number, since it uses less digits than its factorization.

406838168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201047 (or 201043 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 406838168 is about 20170.2297458408. The cubic root of 406838168 is about 740.9812694424.

The spelling of 406838168 in words is "four hundred six million, eight hundred thirty-eight thousand, one hundred sixty-eight".