99474497 has 4 divisors (see below), whose sum is σ = 105325956. Its totient is φ = 93623040.

The previous prime is 99474493. The next prime is 99474511. The reversal of 99474497 is 79447499.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83466496 + 16008001 = 9136^2 + 4001^2 .

It is a cyclic number.

It is not a de Polignac number, because 99474497 - 2² = 99474493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99474493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2925704 + ... + 2925737.

It is an arithmetic number, because the mean of its divisors is an integer number (26331489).

Almost surely, 2^99474497 is an apocalyptic number.

It is an amenable number.

99474497 is a deficient number, since it is larger than the sum of its proper divisors (5851459).

99474497 is a wasteful number, since it uses less digits than its factorization.

99474497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851458.

The product of its digits is 2286144, while the sum is 53.

The square root of 99474497 is about 9973.6902398260. The cubic root of 99474497 is about 463.3443986914.

The spelling of 99474497 in words is "ninety-nine million, four hundred seventy-four thousand, four hundred ninety-seven".