499381097 has 8 divisors (see below), whose sum is σ = 501958080. Its totient is φ = 496810960.

The previous prime is 499381087. The next prime is 499381109. The reversal of 499381097 is 790183994.

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 499381097 - 2⁴ = 499381081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499381007) 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, 201854 + ... + 204312.

It is an arithmetic number, because the mean of its divisors is an integer number (62744760).

Almost surely, 2^499381097 is an apocalyptic number.

It is an amenable number.

499381097 is a deficient number, since it is larger than the sum of its proper divisors (2576983).

499381097 is a wasteful number, since it uses less digits than its factorization.

499381097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 499381097 is about 22346.8363980229. The cubic root of 499381097 is about 793.3729083468.

The spelling of 499381097 in words is "four hundred ninety-nine million, three hundred eighty-one thousand, ninety-seven".