99667469 has 16 divisors (see below), whose sum is σ = 110545344. Its totient is φ = 89107200.

The previous prime is 99667439. The next prime is 99667471. The reversal of 99667469 is 96476699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99667469 is a prime.

It is a super-2 number, since 2×99667469² = 19867208753731922, 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 (99667439) 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, 224762 + ... + 225204.

It is an arithmetic number, because the mean of its divisors is an integer number (6909084).

Almost surely, 2^99667469 is an apocalyptic number.

It is an amenable number.

99667469 is a deficient number, since it is larger than the sum of its proper divisors (10877875).

99667469 is a wasteful number, since it uses less digits than its factorization.

99667469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748.

The product of its digits is 4408992, while the sum is 56.

The square root of 99667469 is about 9983.3596048625. The cubic root of 99667469 is about 463.6438212995.

The spelling of 99667469 in words is "ninety-nine million, six hundred sixty-seven thousand, four hundred sixty-nine".