406524164 has 12 divisors (see below), whose sum is σ = 711654300. Its totient is φ = 203194368.

The previous prime is 406524161. The next prime is 406524169. The reversal of 406524164 is 461425604.

It can be written as a sum of positive squares in 2 ways, for example, as 51955264 + 354568900 = 7208^2 + 18830^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 406524164.

It is not an unprimeable number, because it can be changed into a prime (406524161) 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, 1949 + ... + 28580.

It is an arithmetic number, because the mean of its divisors is an integer number (59304525).

Almost surely, 2^406524164 is an apocalyptic number.

It is an amenable number.

406524164 is a deficient number, since it is larger than the sum of its proper divisors (305130136).

406524164 is a wasteful number, since it uses less digits than its factorization.

406524164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33862 (or 33860 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 406524164 is about 20162.4443954596. Note that the first 3 decimals coincide. The cubic root of 406524164 is about 740.7905867695.

Adding to 406524164 its reverse (461425604), we get a palindrome (867949768).

The spelling of 406524164 in words is "four hundred six million, five hundred twenty-four thousand, one hundred sixty-four".