99524938 has 4 divisors (see below), whose sum is σ = 149287410. Its totient is φ = 49762468.

The previous prime is 99524927. The next prime is 99524951. The reversal of 99524938 is 83942599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83942599 = 13 ⋅6457123.

It can be written as a sum of positive squares in only one way, i.e., 64915249 + 34609689 = 8057^2 + 5883^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 99524891 and 99524900.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24881233 + ... + 24881236.

Almost surely, 2^99524938 is an apocalyptic number.

99524938 is a deficient number, since it is larger than the sum of its proper divisors (49762472).

99524938 is a wasteful number, since it uses less digits than its factorization.

99524938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49762471.

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

The square root of 99524938 is about 9976.2186223037. The cubic root of 99524938 is about 463.4227021972.

The spelling of 99524938 in words is "ninety-nine million, five hundred twenty-four thousand, nine hundred thirty-eight".