99948478 has 32 divisors (see below), whose sum is σ = 181854720. Its totient is φ = 40270560.

The previous prime is 99948473. The next prime is 99948479. The reversal of 99948478 is 87484999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99948473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16368 + ... + 21628.

It is an arithmetic number, because the mean of its divisors is an integer number (5682960).

Almost surely, 2^99948478 is an apocalyptic number.

99948478 is a deficient number, since it is larger than the sum of its proper divisors (81906242).

99948478 is a wasteful number, since it uses less digits than its factorization.

99948478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352.

The product of its digits is 5225472, while the sum is 58.

The square root of 99948478 is about 9997.4235680999. The cubic root of 99948478 is about 464.0791550205.

The spelling of 99948478 in words is "ninety-nine million, nine hundred forty-eight thousand, four hundred seventy-eight".