99957386 has 4 divisors (see below), whose sum is σ = 149936082. Its totient is φ = 49978692.

The previous prime is 99957383. The next prime is 99957397. The reversal of 99957386 is 68375999.

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., 78659161 + 21298225 = 8869^2 + 4615^2 .

It is not an unprimeable number, because it can be changed into a prime (99957383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24989345 + ... + 24989348.

Almost surely, 2^99957386 is an apocalyptic number.

99957386 is a deficient number, since it is larger than the sum of its proper divisors (49978696).

99957386 is a wasteful number, since it uses less digits than its factorization.

99957386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49978695.

The product of its digits is 3674160, while the sum is 56.

The square root of 99957386 is about 9997.8690729575. The cubic root of 99957386 is about 464.0929417714.

It can be divided in two parts, 999 and 57386, that added together give a palindrome (58385).

The spelling of 99957386 in words is "ninety-nine million, nine hundred fifty-seven thousand, three hundred eighty-six".