99986252 has 6 divisors (see below), whose sum is σ = 174975948.
Its totient is φ = 49993124.
The previous prime is 99986251. The next prime is 99986269. The reversal of 99986252 is 25268999.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 99986252.
It is not an unprimeable number, because it can be changed into a prime (99986251) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12498278 + ... + 12498285.
It is an arithmetic number, because the mean of its divisors is an integer number (29162658).
Almost surely, 299986252 is an apocalyptic number.
It is an amenable number.
99986252 is a deficient number, since it is larger than the sum of its proper divisors (74989696).
99986252 is a wasteful number, since it uses less digits than its factorization.
99986252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24996567 (or 24996565 counting only the distinct ones).
The product of its digits is 699840, while the sum is 50.
The square root of 99986252 is about 9999.3125763724.
The cubic root of 99986252 is about 464.1376115320.
The spelling of 99986252 in words is "ninety-nine million, nine hundred eighty-six thousand, two hundred fifty-two".