99847392 has 96 divisors (see below), whose sum is σ = 279834912. Its totient is φ = 31064064.

The previous prime is 99847367. The next prime is 99847399. The reversal of 99847392 is 29374899.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99847399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314818 + ... + 315134.

It is an arithmetic number, because the mean of its divisors is an integer number (2914947).

Almost surely, 2^99847392 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 99847392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139917456).

99847392 is an abundant number, since it is smaller than the sum of its proper divisors (179987520).

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

99847392 is a wasteful number, since it uses less digits than its factorization.

99847392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 532 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 99847392 is about 9992.3666866263. The cubic root of 99847392 is about 463.9226486199.

The spelling of 99847392 in words is "ninety-nine million, eight hundred forty-seven thousand, three hundred ninety-two".