99478460 has 24 divisors (see below), whose sum is σ = 210119616. Its totient is φ = 39560000.

The previous prime is 99478453. The next prime is 99478469. The reversal of 99478460 is 6487499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99478469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10916 + ... + 17835.

It is an arithmetic number, because the mean of its divisors is an integer number (8754984).

Almost surely, 2^99478460 is an apocalyptic number.

It is an amenable number.

99478460 is an abundant number, since it is smaller than the sum of its proper divisors (110641156).

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

99478460 is a wasteful number, since it uses less digits than its factorization.

99478460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28933 (or 28931 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 99478460 is about 9973.8889105504. Note that the first 3 decimals coincide. The cubic root of 99478460 is about 463.3505517240.

The spelling of 99478460 in words is "ninety-nine million, four hundred seventy-eight thousand, four hundred sixty".