99446378 has 4 divisors (see below), whose sum is σ = 149169570. Its totient is φ = 49723188.

The previous prime is 99446371. The next prime is 99446453. The reversal of 99446378 is 87364499.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56896849 + 42549529 = 7543^2 + 6523^2 .

It is not an unprimeable number, because it can be changed into a prime (99446371) by changing a digit.

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 as a sum of consecutive naturals, namely, 24861593 + ... + 24861596.

Almost surely, 2^99446378 is an apocalyptic number.

99446378 is a deficient number, since it is larger than the sum of its proper divisors (49723192).

99446378 is a wasteful number, since it uses less digits than its factorization.

99446378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49723191.

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

The square root of 99446378 is about 9972.2804814145. The cubic root of 99446378 is about 463.3007358787.

The spelling of 99446378 in words is "ninety-nine million, four hundred forty-six thousand, three hundred seventy-eight".