406503064 has 16 divisors (see below), whose sum is σ = 831483720. Its totient is φ = 184774080.

The previous prime is 406503049. The next prime is 406503067. The reversal of 406503064 is 460305604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406503067) 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, 2309589 + ... + 2309764.

Almost surely, 2^406503064 is an apocalyptic number.

406503064 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

406503064 is an abundant number, since it is smaller than the sum of its proper divisors (424980656).

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

406503064 is a wasteful number, since it uses less digits than its factorization.

406503064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619370 (or 4619366 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 406503064 is about 20161.9211386217. The cubic root of 406503064 is about 740.7777700227. Note that the first 5 decimals are identical.

Adding to 406503064 its reverse (460305604), we get a palindrome (866808668).

The spelling of 406503064 in words is "four hundred six million, five hundred three thousand, sixty-four".