99738408 has 128 divisors (see below), whose sum is σ = 321085440. Its totient is φ = 25056000.

The previous prime is 99738403. The next prime is 99738413. The reversal of 99738408 is 80483799.

It is an interprime number because it is at equal distance from previous prime (99738403) and next prime (99738413).

It is not an unprimeable number, because it can be changed into a prime (99738403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56418 + ... + 58158.

It is an arithmetic number, because the mean of its divisors is an integer number (2508480).

Almost surely, 2^99738408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99738408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160542720).

99738408 is an abundant number, since it is smaller than the sum of its proper divisors (221347032).

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

99738408 is a wasteful number, since it uses less digits than its factorization.

99738408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 99738408 is about 9986.9118349968. The cubic root of 99738408 is about 463.7537957614.

It can be divided in two parts, 9973 and 8408, that added together give a palindrome (18381).

The spelling of 99738408 in words is "ninety-nine million, seven hundred thirty-eight thousand, four hundred eight".