84393393 has 16 divisors (see below), whose sum is σ = 133034880. Its totient is φ = 46561536.

The previous prime is 84393373. The next prime is 84393461. The reversal of 84393393 is 39339348.

It is not a de Polignac number, because 84393393 - 2¹³ = 84385201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84393373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68680 + ... + 69897.

It is an arithmetic number, because the mean of its divisors is an integer number (8314680).

Almost surely, 2^84393393 is an apocalyptic number.

It is an amenable number.

84393393 is a deficient number, since it is larger than the sum of its proper divisors (48641487).

84393393 is a wasteful number, since it uses less digits than its factorization.

84393393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138616.

The product of its digits is 209952, while the sum is 42.

The square root of 84393393 is about 9186.5876689879. The cubic root of 84393393 is about 438.6345289102.

The spelling of 84393393 in words is "eighty-four million, three hundred ninety-three thousand, three hundred ninety-three".