454798909 has 8 divisors (see below), whose sum is σ = 498157560. Its totient is φ = 413285376.

The previous prime is 454798907. The next prime is 454798919. The reversal of 454798909 is 909897454.

It can be written as a sum of positive squares in 4 ways, for example, as 63154809 + 391644100 = 7947^2 + 19790^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 454798909 - 2¹ = 454798907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454798909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454798907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460764 + ... + 461749.

It is an arithmetic number, because the mean of its divisors is an integer number (62269695).

Almost surely, 2^454798909 is an apocalyptic number.

It is an amenable number.

454798909 is a deficient number, since it is larger than the sum of its proper divisors (43358651).

454798909 is a wasteful number, since it uses less digits than its factorization.

454798909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922559.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 454798909 is about 21326.0148410339. The cubic root of 454798909 is about 769.0238425646.

The spelling of 454798909 in words is "four hundred fifty-four million, seven hundred ninety-eight thousand, nine hundred nine".