406484446 has 4 divisors (see below), whose sum is σ = 609726672. Its totient is φ = 203242222.

The previous prime is 406484437. The next prime is 406484447. The reversal of 406484446 is 644484604.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×406484446³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 406484399 and 406484408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406484447) 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 as a sum of consecutive naturals, namely, 101621110 + ... + 101621113.

It is an arithmetic number, because the mean of its divisors is an integer number (152431668).

Almost surely, 2^406484446 is an apocalyptic number.

406484446 is a deficient number, since it is larger than the sum of its proper divisors (203242226).

406484446 is a wasteful number, since it uses less digits than its factorization.

406484446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203242225.

The product of its (nonzero) digits is 294912, while the sum is 40.

The square root of 406484446 is about 20161.4594213812. The cubic root of 406484446 is about 740.7664605458.

The spelling of 406484446 in words is "four hundred six million, four hundred eighty-four thousand, four hundred forty-six".