499998057 has 32 divisors (see below), whose sum is σ = 742382592. Its totient is φ = 297333504.

The previous prime is 499998041. The next prime is 499998073. The reversal of 499998057 is 750899994.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (499998041) and next prime (499998073).

It is not a de Polignac number, because 499998057 - 2⁴ = 499998041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499998757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225448 + ... + 227654.

It is an arithmetic number, because the mean of its divisors is an integer number (23199456).

Almost surely, 2^499998057 is an apocalyptic number.

It is an amenable number.

499998057 is a deficient number, since it is larger than the sum of its proper divisors (242384535).

499998057 is a wasteful number, since it uses less digits than its factorization.

499998057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417.

The product of its (nonzero) digits is 7348320, while the sum is 60.

The square root of 499998057 is about 22360.6363281549. The cubic root of 499998057 is about 793.6994978760.

The spelling of 499998057 in words is "four hundred ninety-nine million, nine hundred ninety-eight thousand, fifty-seven".