499310197 has 16 divisors (see below), whose sum is σ = 547079040. Its totient is φ = 454208832.

The previous prime is 499310069. The next prime is 499310209. The reversal of 499310197 is 791013994.

It is a happy number.

It is a 3-Lehmer number, since φ(499310197) divides (499310197-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 499310197 - 2⁷ = 499310069 is a prime.

It is a deceptive number, since it divides R_499310196.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499314197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39103 + ... + 50275.

It is an arithmetic number, because the mean of its divisors is an integer number (34192440).

It is a Poulet number, since it divides 2^499310196-1.

Almost surely, 2^499310197 is an apocalyptic number.

499310197 is the 11173-rd decagonal number.

It is an amenable number.

499310197 is a deficient number, since it is larger than the sum of its proper divisors (47768843).

499310197 is a wasteful number, since it uses less digits than its factorization.

499310197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11292.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 499310197 is about 22345.2499874134. The cubic root of 499310197 is about 793.3353600016.

The spelling of 499310197 in words is "four hundred ninety-nine million, three hundred ten thousand, one hundred ninety-seven".