99474469 has 6 divisors (see below), whose sum is σ = 101184434. Its totient is φ = 97767120.

The previous prime is 99474461. The next prime is 99474493. The reversal of 99474469 is 96447499.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6100900 + 93373569 = 2470^2 + 9663^2 .

It is not a de Polignac number, because 99474469 - 2³ = 99474461 is a prime.

It is a super-2 number, since 2×99474469² = 19790339965663922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99474461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77259 + ... + 78535.

Almost surely, 2^99474469 is an apocalyptic number.

It is an amenable number.

99474469 is a deficient number, since it is larger than the sum of its proper divisors (1709965).

99474469 is an frugal number, since it uses more digits than its factorization.

99474469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 1338 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 99474469 is about 9973.6888361328. The cubic root of 99474469 is about 463.3443552175.

The spelling of 99474469 in words is "ninety-nine million, four hundred seventy-four thousand, four hundred sixty-nine".