454804438 has 16 divisors (see below), whose sum is σ = 776583936. Its totient is φ = 197740840.

The previous prime is 454804433. The next prime is 454804459. The reversal of 454804438 is 834408454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 454804438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454804433) 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, 448906 + ... + 449917.

It is an arithmetic number, because the mean of its divisors is an integer number (48536496).

Almost surely, 2^454804438 is an apocalyptic number.

454804438 is a deficient number, since it is larger than the sum of its proper divisors (321779498).

454804438 is a wasteful number, since it uses less digits than its factorization.

454804438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898859.

The product of its (nonzero) digits is 245760, while the sum is 40.

The square root of 454804438 is about 21326.1444710477. The cubic root of 454804438 is about 769.0269588984.

The spelling of 454804438 in words is "four hundred fifty-four million, eight hundred four thousand, four hundred thirty-eight".