455706638 has 8 divisors (see below), whose sum is σ = 707131080. Its totient is φ = 219996280.

The previous prime is 455706637. The next prime is 455706649. The reversal of 455706638 is 836607554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455706637) 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, 3928448 + ... + 3928563.

It is an arithmetic number, because the mean of its divisors is an integer number (88391385).

Almost surely, 2^455706638 is an apocalyptic number.

455706638 is a deficient number, since it is larger than the sum of its proper divisors (251424442).

455706638 is a wasteful number, since it uses less digits than its factorization.

455706638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857042.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 455706638 is about 21347.2864317693. The cubic root of 455706638 is about 769.5351317838.

The spelling of 455706638 in words is "four hundred fifty-five million, seven hundred six thousand, six hundred thirty-eight".