99456471 has 16 divisors (see below), whose sum is σ = 147594720. Its totient is φ = 66191040.

The previous prime is 99456449. The next prime is 99456479. The reversal of 99456471 is 17465499.

It is not a de Polignac number, because 99456471 - 2¹⁵ = 99423703 is a prime.

It is a super-3 number, since 3×99456471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99456479) 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, 14811 + ... + 20451.

It is an arithmetic number, because the mean of its divisors is an integer number (9224670).

Almost surely, 2^99456471 is an apocalyptic number.

99456471 is a deficient number, since it is larger than the sum of its proper divisors (48138249).

99456471 is a wasteful number, since it uses less digits than its factorization.

99456471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303 (or 6297 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 99456471 is about 9972.7865213289. The cubic root of 99456471 is about 463.3164091030.

The spelling of 99456471 in words is "ninety-nine million, four hundred fifty-six thousand, four hundred seventy-one".