99406560 has 192 divisors, whose sum is σ = 347929344. Its totient is φ = 23654400.

The previous prime is 99406513. The next prime is 99406561. The reversal of 99406560 is 6560499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99406561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 353620 + ... + 353900.

It is an arithmetic number, because the mean of its divisors is an integer number (1812132).

Almost surely, 2^99406560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99406560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173964672).

99406560 is an abundant number, since it is smaller than the sum of its proper divisors (248522784).

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

99406560 is a wasteful number, since it uses less digits than its factorization.

99406560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 99406560 is about 9970.2838475141. The cubic root of 99406560 is about 463.2388929313.

The spelling of 99406560 in words is "ninety-nine million, four hundred six thousand, five hundred sixty".