99701838 has 48 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 30947328.

The previous prime is 99701813. The next prime is 99701843. The reversal of 99701838 is 83810799.

It is a junction number, because it is equal to n+sod(n) for n = 99701793 and 99701802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28003 + ... + 31361.

It is an arithmetic number, because the mean of its divisors is an integer number (4815720).

Almost surely, 2^99701838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99701838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115577280).

99701838 is an abundant number, since it is smaller than the sum of its proper divisors (131452722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99701838 is a wasteful number, since it uses less digits than its factorization.

99701838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481 (or 3478 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 99701838 is about 9985.0807708300. The cubic root of 99701838 is about 463.6971089749.

The spelling of 99701838 in words is "ninety-nine million, seven hundred one thousand, eight hundred thirty-eight".