84394369 has 4 divisors (see below), whose sum is σ = 87116800. Its totient is φ = 81671940.

The previous prime is 84394319. The next prime is 84394381. The reversal of 84394369 is 96349348.

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.

It is a cyclic number.

It is not a de Polignac number, because 84394369 - 2⁷ = 84394241 is a prime.

It is a super-2 number, since 2×84394369² = 14244819037816322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84394309) 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, 1361169 + ... + 1361230.

It is an arithmetic number, because the mean of its divisors is an integer number (21779200).

Almost surely, 2^84394369 is an apocalyptic number.

It is an amenable number.

84394369 is a deficient number, since it is larger than the sum of its proper divisors (2722431).

84394369 is a wasteful number, since it uses less digits than its factorization.

84394369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722430.

The product of its digits is 559872, while the sum is 46.

The square root of 84394369 is about 9186.6407897555. The cubic root of 84394369 is about 438.6362198231.

The spelling of 84394369 in words is "eighty-four million, three hundred ninety-four thousand, three hundred sixty-nine".