99839254 has 8 divisors (see below), whose sum is σ = 149909760. Its totient is φ = 49869336.

The previous prime is 99839213. The next prime is 99839261. The reversal of 99839254 is 45293899.

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 = 99839198 and 99839207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22614 + ... + 26665.

It is an arithmetic number, because the mean of its divisors is an integer number (18738720).

Almost surely, 2^99839254 is an apocalyptic number.

99839254 is a deficient number, since it is larger than the sum of its proper divisors (50070506).

99839254 is a wasteful number, since it uses less digits than its factorization.

99839254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50294.

The product of its digits is 699840, while the sum is 49.

The square root of 99839254 is about 9991.9594674918. The cubic root of 99839254 is about 463.9100443678.

The spelling of 99839254 in words is "ninety-nine million, eight hundred thirty-nine thousand, two hundred fifty-four".