99957459 has 16 divisors (see below), whose sum is σ = 152464640. Its totient is φ = 57062880.

The previous prime is 99957449. The next prime is 99957463. The reversal of 99957459 is 95475999.

It is not a de Polignac number, because 99957459 - 2⁴ = 99957443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99957399 and 99957408.

It is not an unprimeable number, because it can be changed into a prime (99957409) 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 15 ways as a sum of consecutive naturals, for example, 30597 + ... + 33705.

It is an arithmetic number, because the mean of its divisors is an integer number (9529040).

Almost surely, 2^99957459 is an apocalyptic number.

99957459 is a deficient number, since it is larger than the sum of its proper divisors (52507181).

99957459 is a wasteful number, since it uses less digits than its factorization.

99957459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650.

The product of its digits is 4592700, while the sum is 57.

The square root of 99957459 is about 9997.8727237348. The cubic root of 99957459 is about 464.0930547488.

The spelling of 99957459 in words is "ninety-nine million, nine hundred fifty-seven thousand, four hundred fifty-nine".