99438334 has 4 divisors (see below), whose sum is σ = 149157504. Its totient is φ = 49719166.

The previous prime is 99438319. The next prime is 99438341. The reversal of 99438334 is 43383499.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24859582 + ... + 24859585.

It is an arithmetic number, because the mean of its divisors is an integer number (37289376).

Almost surely, 2^99438334 is an apocalyptic number.

99438334 is a deficient number, since it is larger than the sum of its proper divisors (49719170).

99438334 is a wasteful number, since it uses less digits than its factorization.

99438334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49719169.

The product of its digits is 279936, while the sum is 43.

The square root of 99438334 is about 9971.8771552802. The cubic root of 99438334 is about 463.2882437475.

The spelling of 99438334 in words is "ninety-nine million, four hundred thirty-eight thousand, three hundred thirty-four".