99943042 has 8 divisors (see below), whose sum is σ = 150700032. Its totient is φ = 49709700.

The previous prime is 99943037. The next prime is 99943043. The reversal of 99943042 is 24034999.

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

It is a super-2 number, since 2×99943042² = 19977223288427528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99942986 and 99943004.

It is not an unprimeable number, because it can be changed into a prime (99943043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130434 + ... + 131197.

It is an arithmetic number, because the mean of its divisors is an integer number (18837504).

Almost surely, 2^99943042 is an apocalyptic number.

99943042 is a deficient number, since it is larger than the sum of its proper divisors (50756990).

99943042 is a wasteful number, since it uses less digits than its factorization.

99943042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261824.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 99943042 is about 9997.1516943577. The cubic root of 99943042 is about 464.0707414189.

The spelling of 99943042 in words is "ninety-nine million, nine hundred forty-three thousand, forty-two".