99893834 has 4 divisors (see below), whose sum is σ = 149840754. Its totient is φ = 49946916.

The previous prime is 99893831. The next prime is 99893837. The reversal of 99893834 is 43839899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43839899 = 199 ⋅220301.

It is an interprime number because it is at equal distance from previous prime (99893831) and next prime (99893837).

It can be written as a sum of positive squares in only one way, i.e., 62647225 + 37246609 = 7915^2 + 6103^2 .

It is not an unprimeable number, because it can be changed into a prime (99893831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24973457 + ... + 24973460.

Almost surely, 2^99893834 is an apocalyptic number.

99893834 is a deficient number, since it is larger than the sum of its proper divisors (49946920).

99893834 is a wasteful number, since it uses less digits than its factorization.

99893834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49946919.

The product of its digits is 1679616, while the sum is 53.

The square root of 99893834 is about 9994.6902903492. The cubic root of 99893834 is about 463.9945655576.

The spelling of 99893834 in words is "ninety-nine million, eight hundred ninety-three thousand, eight hundred thirty-four".