454286638 has 16 divisors (see below), whose sum is σ = 747696096. Its totient is φ = 205714080.

The previous prime is 454286621. The next prime is 454286717. The reversal of 454286638 is 836682454.

It is a congruent number.

It is an unprimeable number.

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, 163458 + ... + 166213.

It is an arithmetic number, because the mean of its divisors is an integer number (46731006).

Almost surely, 2^454286638 is an apocalyptic number.

454286638 is a deficient number, since it is larger than the sum of its proper divisors (293409458).

454286638 is a wasteful number, since it uses less digits than its factorization.

454286638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329739.

The product of its digits is 1105920, while the sum is 46.

The square root of 454286638 is about 21314.0009852679. Note that the first 3 decimals coincide. The cubic root of 454286638 is about 768.7349994385.

The spelling of 454286638 in words is "four hundred fifty-four million, two hundred eighty-six thousand, six hundred thirty-eight".