99413 has 4 divisors (see below), whose sum is σ = 100620. Its totient is φ = 98208.

The previous prime is 99409. The next prime is 99431. The reversal of 99413 is 31499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31499 = 13 ⋅2423.

It can be written as a sum of positive squares in 2 ways, for example, as 10609 + 88804 = 103^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 99413 - 2² = 99409 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470 + ... + 647.

It is an arithmetic number, because the mean of its divisors is an integer number (25155).

2⁹⁹⁴¹³ is an apocalyptic number.

It is an amenable number.

99413 is a deficient number, since it is larger than the sum of its proper divisors (1207).

99413 is a wasteful number, since it uses less digits than its factorization.

99413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its digits is 972, while the sum is 26.

The square root of 99413 is about 315.2982714827. The cubic root of 99413 is about 46.3248896275.

It can be divided in two parts, 99 and 413, that added together give a 9-th power (512 = 2⁹).

The spelling of 99413 in words is "ninety-nine thousand, four hundred thirteen".