613984455 has 72 divisors (see below), whose sum is σ = 1283969232. Its totient is φ = 280651392.

The previous prime is 613984447. The next prime is 613984457. The reversal of 613984455 is 554489316.

It is not a de Polignac number, because 613984455 - 2³ = 613984447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 613984455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613984457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 54379 + ... + 64691.

It is an arithmetic number, because the mean of its divisors is an integer number (17832906).

Almost surely, 2^613984455 is an apocalyptic number.

613984455 is an abundant number, since it is smaller than the sum of its proper divisors (669984777).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613984455 is a wasteful number, since it uses less digits than its factorization.

613984455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10347 (or 10328 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 613984455 is about 24778.7097121702. The cubic root of 613984455 is about 849.9351530691.

The spelling of 613984455 in words is "six hundred thirteen million, nine hundred eighty-four thousand, four hundred fifty-five".