94409 has 4 divisors (see below), whose sum is σ = 107904. Its totient is φ = 80916.

The previous prime is 94399. The next prime is 94421. The reversal of 94409 is 90449.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90449 = 151 ⋅599.

It is a cyclic number.

It is not a de Polignac number, because 94409 - 2⁸ = 94153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94439) 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, 6737 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (26976).

2⁹⁴⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

94409 is a deficient number, since it is larger than the sum of its proper divisors (13495).

94409 is a wasteful number, since it uses less digits than its factorization.

94409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13494.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 94409 is about 307.2604758182. The cubic root of 94409 is about 45.5342092690.

It can be divided in two parts, 9440 and 9, that added together give a palindrome (9449).

The spelling of 94409 in words is "ninety-four thousand, four hundred nine".