99785946 has 16 divisors (see below), whose sum is σ = 214923744. Its totient is φ = 30703344.

The previous prime is 99785921. The next prime is 99785947. The reversal of 99785946 is 64958799.

It is a super-2 number, since 2×99785946² = 19914470038229832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99785947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639576 + ... + 639731.

It is an arithmetic number, because the mean of its divisors is an integer number (13432734).

Almost surely, 2^99785946 is an apocalyptic number.

99785946 is an abundant number, since it is smaller than the sum of its proper divisors (115137798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99785946 is a wasteful number, since it uses less digits than its factorization.

99785946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279325.

The product of its digits is 4898880, while the sum is 57.

The square root of 99785946 is about 9989.2915664726. The cubic root of 99785946 is about 463.8274632239.

The spelling of 99785946 in words is "ninety-nine million, seven hundred eighty-five thousand, nine hundred forty-six".