93409 has 4 divisors (see below), whose sum is σ = 96660. Its totient is φ = 90160.

The previous prime is 93407. The next prime is 93419. The reversal of 93409 is 90439.

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 61009 + 32400 = 247^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 93409 - 2¹ = 93407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93407) 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, 1582 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (24165).

2⁹³⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

93409 is a deficient number, since it is larger than the sum of its proper divisors (3251).

93409 is a wasteful number, since it uses less digits than its factorization.

93409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 93409 is about 305.6288598938. The cubic root of 93409 is about 45.3728689612.

The spelling of 93409 in words is "ninety-three thousand, four hundred nine".