84432993 has 4 divisors (see below), whose sum is σ = 112577328. Its totient is φ = 56288660.

The previous prime is 84432989. The next prime is 84433003. The reversal of 84432993 is 39923448.

It is a happy number.

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 84432993 - 2² = 84432989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84432923) 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, 14072163 + ... + 14072168.

It is an arithmetic number, because the mean of its divisors is an integer number (28144332).

Almost surely, 2^84432993 is an apocalyptic number.

It is an amenable number.

84432993 is a deficient number, since it is larger than the sum of its proper divisors (28144335).

84432993 is a wasteful number, since it uses less digits than its factorization.

84432993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28144334.

The product of its digits is 186624, while the sum is 42.

The square root of 84432993 is about 9188.7427322784. The cubic root of 84432993 is about 438.7031251616.

The spelling of 84432993 in words is "eighty-four million, four hundred thirty-two thousand, nine hundred ninety-three".