99499942 has 8 divisors (see below), whose sum is σ = 150645096. Its totient is φ = 49284912.

The previous prime is 99499931. The next prime is 99499943. The reversal of 99499942 is 24999499.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99499943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232263 + ... + 232690.

It is an arithmetic number, because the mean of its divisors is an integer number (18830637).

Almost surely, 2^99499942 is an apocalyptic number.

99499942 is a deficient number, since it is larger than the sum of its proper divisors (51145154).

99499942 is a wasteful number, since it uses less digits than its factorization.

99499942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465062.

The product of its digits is 1889568, while the sum is 55.

The square root of 99499942 is about 9974.9657643523. The cubic root of 99499942 is about 463.3839022609.

It can be divided in two parts, 9949 and 9942, that added together give a palindrome (19891).

The spelling of 99499942 in words is "ninety-nine million, four hundred ninety-nine thousand, nine hundred forty-two".