99057442 has 8 divisors (see below), whose sum is σ = 162094032. Its totient is φ = 45026100.

The previous prime is 99057433. The next prime is 99057457. The reversal of 99057442 is 24475099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 99057395 and 99057404.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2251284 + ... + 2251327.

It is an arithmetic number, because the mean of its divisors is an integer number (20261754).

Almost surely, 2^99057442 is an apocalyptic number.

99057442 is a deficient number, since it is larger than the sum of its proper divisors (63036590).

99057442 is a wasteful number, since it uses less digits than its factorization.

99057442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502624.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 99057442 is about 9952.7605215839. The cubic root of 99057442 is about 462.6959551434.

It can be divided in two parts, 99057 and 442, that added together give a palindrome (99499).

The spelling of 99057442 in words is "ninety-nine million, fifty-seven thousand, four hundred forty-two".