499093021 has 16 divisors (see below), whose sum is σ = 605508480. Its totient is φ = 401587200.

The previous prime is 499093019. The next prime is 499093051. The reversal of 499093021 is 120390994.

It is not a de Polignac number, because 499093021 - 2¹ = 499093019 is a prime.

It is a super-2 number, since 2×499093021² = 498187687221812882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499093051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42490 + ... + 52948.

It is an arithmetic number, because the mean of its divisors is an integer number (37844280).

Almost surely, 2^499093021 is an apocalyptic number.

It is an amenable number.

499093021 is a deficient number, since it is larger than the sum of its proper divisors (106415459).

499093021 is a wasteful number, since it uses less digits than its factorization.

499093021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10884.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 499093021 is about 22340.3899025957. The cubic root of 499093021 is about 793.2203223710.

The spelling of 499093021 in words is "four hundred ninety-nine million, ninety-three thousand, twenty-one".