99964212 has 24 divisors (see below), whose sum is σ = 240774912. Its totient is φ = 32246400.

The previous prime is 99964211. The next prime is 99964259. The reversal of 99964212 is 21246999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99964211) 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, 133989 + ... + 134732.

It is an arithmetic number, because the mean of its divisors is an integer number (10032288).

Almost surely, 2^99964212 is an apocalyptic number.

It is an amenable number.

99964212 is an abundant number, since it is smaller than the sum of its proper divisors (140810700).

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

99964212 is a wasteful number, since it uses less digits than its factorization.

99964212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268759 (or 268757 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 99964212 is about 9998.2104398737. The cubic root of 99964212 is about 464.1035056942.

The spelling of 99964212 in words is "ninety-nine million, nine hundred sixty-four thousand, two hundred twelve".