99987344 has 20 divisors (see below), whose sum is σ = 195030300. Its totient is φ = 49656960.

The previous prime is 99987343. The next prime is 99987373. The reversal of 99987344 is 44378999.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5664400 + 94322944 = 2380^2 + 9712^2 .

It is not an unprimeable number, because it can be changed into a prime (99987343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18587 + ... + 23354.

It is an arithmetic number, because the mean of its divisors is an integer number (9751515).

Almost surely, 2^99987344 is an apocalyptic number.

It is an amenable number.

99987344 is a deficient number, since it is larger than the sum of its proper divisors (95042956).

99987344 is a wasteful number, since it uses less digits than its factorization.

99987344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42098 (or 42092 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 99987344 is about 9999.3671799769. The cubic root of 99987344 is about 464.1393012191.

The spelling of 99987344 in words is "ninety-nine million, nine hundred eighty-seven thousand, three hundred forty-four".