99210798 has 32 divisors (see below), whose sum is σ = 228074400. Its totient is φ = 31929408.

The previous prime is 99210781. The next prime is 99210821. The reversal of 99210798 is 89701299.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30111 + ... + 33242.

It is an arithmetic number, because the mean of its divisors is an integer number (7127325).

Almost surely, 2^99210798 is an apocalyptic number.

99210798 is an abundant number, since it is smaller than the sum of its proper divisors (128863602).

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

99210798 is a wasteful number, since it uses less digits than its factorization.

99210798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63393 (or 63387 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 99210798 is about 9960.4617362851. The cubic root of 99210798 is about 462.9346066215.

The spelling of 99210798 in words is "ninety-nine million, two hundred ten thousand, seven hundred ninety-eight".