99407 has 8 divisors (see below), whose sum is σ = 124032. Its totient is φ = 77400.

The previous prime is 99401. The next prime is 99409. The reversal of 99407 is 70499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99407 - 2⁴ = 99391 is a prime.

It is a Duffinian number.

99407 is a modest number, since divided by 407 gives 99 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 99407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569 + ... + 722.

It is an arithmetic number, because the mean of its divisors is an integer number (15504).

2⁹⁹⁴⁰⁷ is an apocalyptic number.

99407 is a deficient number, since it is larger than the sum of its proper divisors (24625).

99407 is a wasteful number, since it uses less digits than its factorization.

99407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 99407 is about 315.2887565391. The cubic root of 99407 is about 46.3239576403.

The spelling of 99407 in words is "ninety-nine thousand, four hundred seven".