99474944 has 80 divisors (see below), whose sum is σ = 209919600. Its totient is φ = 47038464.

The previous prime is 99474941. The next prime is 99475021. The reversal of 99474944 is 44947499.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 99474892 and 99474901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99474941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117652 + ... + 1117740.

It is an arithmetic number, because the mean of its divisors is an integer number (2623995).

Almost surely, 2^99474944 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 99474944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104959800).

99474944 is an abundant number, since it is smaller than the sum of its proper divisors (110444656).

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

99474944 is an equidigital number, since it uses as much as digits as its factorization.

99474944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 187 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 50.

The square root of 99474944 is about 9973.7126487582. The cubic root of 99474944 is about 463.3450927207.

The spelling of 99474944 in words is "ninety-nine million, four hundred seventy-four thousand, nine hundred forty-four".