82094405 has 4 divisors (see below), whose sum is σ = 98513292. Its totient is φ = 65675520.

The previous prime is 82094393. The next prime is 82094407. The reversal of 82094405 is 50449028.

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 15737089 + 66357316 = 3967^2 + 8146^2 .

It is not a de Polignac number, because 82094405 - 2⁸ = 82094149 is a prime.

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 (82094407) 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, 8209436 + ... + 8209445.

It is an arithmetic number, because the mean of its divisors is an integer number (24628323).

Almost surely, 2^82094405 is an apocalyptic number.

It is an amenable number.

82094405 is a deficient number, since it is larger than the sum of its proper divisors (16418887).

82094405 is a wasteful number, since it uses less digits than its factorization.

82094405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418886.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 82094405 is about 9060.5962828061. The cubic root of 82094405 is about 434.6148085279.

The spelling of 82094405 in words is "eighty-two million, ninety-four thousand, four hundred five".