84002493 has 4 divisors (see below), whose sum is σ = 112003328. Its totient is φ = 56001660.

The previous prime is 84002483. The next prime is 84002497. The reversal of 84002493 is 39420048.

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 not a de Polignac number, because 84002493 - 2²⁰ = 82953917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84002493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84002497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14000413 + ... + 14000418.

It is an arithmetic number, because the mean of its divisors is an integer number (28000832).

Almost surely, 2^84002493 is an apocalyptic number.

It is an amenable number.

84002493 is a deficient number, since it is larger than the sum of its proper divisors (28000835).

84002493 is a wasteful number, since it uses less digits than its factorization.

84002493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28000834.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 84002493 is about 9165.2873932027. The cubic root of 84002493 is about 437.9562465416.

The spelling of 84002493 in words is "eighty-four million, two thousand, four hundred ninety-three".