99381148 has 24 divisors (see below), whose sum is σ = 177729552. Its totient is φ = 48607104.

The previous prime is 99381109. The next prime is 99381151. The reversal of 99381148 is 84118399.

It is a super-2 number, since 2×99381148² = 19753225155595808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115536 + ... + 116392.

It is an arithmetic number, because the mean of its divisors is an integer number (7405398).

Almost surely, 2^99381148 is an apocalyptic number.

It is an amenable number.

99381148 is a deficient number, since it is larger than the sum of its proper divisors (78348404).

99381148 is a wasteful number, since it uses less digits than its factorization.

99381148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1459 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 99381148 is about 9969.0093790707. The cubic root of 99381148 is about 463.1994158921.

The spelling of 99381148 in words is "ninety-nine million, three hundred eighty-one thousand, one hundred forty-eight".