499198455 has 96 divisors (see below), whose sum is σ = 1062232704. Its totient is φ = 211673088.

The previous prime is 499198451. The next prime is 499198499. The reversal of 499198455 is 554891994.

It is not a de Polignac number, because 499198455 - 2² = 499198451 is a prime.

It is a super-3 number, since 3×499198455³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499198451) 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 95 ways as a sum of consecutive naturals, for example, 390277 + ... + 391553.

It is an arithmetic number, because the mean of its divisors is an integer number (11064924).

Almost surely, 2^499198455 is an apocalyptic number.

499198455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

499198455 is an abundant number, since it is smaller than the sum of its proper divisors (563034249).

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

499198455 is a wasteful number, since it uses less digits than its factorization.

499198455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1382 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 499198455 is about 22342.7494950823. The cubic root of 499198455 is about 793.2761746867.

The spelling of 499198455 in words is "four hundred ninety-nine million, one hundred ninety-eight thousand, four hundred fifty-five".